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Volumn 54, Issue 4, 2011, Pages 3057-3066

Semantic memory involvement in the default mode network: A functional neuroimaging study using independent component analysis

Author keywords

Default mode; FMRI; ICA; Language; Semantic memory

Indexed keywords

ADULT; ANGULAR GYRUS; ANTERIOR CINGULATE; ARTICLE; BRAIN FUNCTION; CEREBELLUM; CONTROLLED STUDY; DECISION MAKING; DECLARATIVE MEMORY; DEFAULT MODE NETWORK; FUNCTIONAL MAGNETIC RESONANCE IMAGING; HUMAN; HUMAN EXPERIMENT; IMAGE ANALYSIS; INDEPENDENT COMPONENT ANALYSIS; LEFT HEMISPHERE; MALE; MIDDLE TEMPORAL GYRUS; NERVE CELL NETWORK; NORMAL HUMAN; PHONETICS; PREFRONTAL CORTEX; PRIORITY JOURNAL; RETROSPLENIAL CORTEX; SEMANTIC MEMORY; SEMANTICS; STIMULUS RESPONSE; TEMPORAL CORTEX; THINKING; VISUAL STIMULATION;

EID: 78650955196     PISSN: 10538119     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.neuroimage.2010.10.039     Document Type: Article
Times cited : (126)

References (69)
  • 1
    • 0017666179 scopus 로고
    • Bestimmung der Bildhaftigkeit (I), Konkretheit (C) und der Bedeutungshaltigkeit (m') von 800 Substantiven
    • Baschek I.L., Bredenkamp J., Oehrle B., Wippich W. Bestimmung der Bildhaftigkeit (I), Konkretheit (C) und der Bedeutungshaltigkeit (m') von 800 Substantiven. Z. Exp. Angew. Psychol. 1977, 24:353-396.
    • (1977) Z. Exp. Angew. Psychol. , vol.24 , pp. 353-396
    • Baschek, I.L.1    Bredenkamp, J.2    Oehrle, B.3    Wippich, W.4
  • 2
    • 1342324773 scopus 로고    scopus 로고
    • Probabilistic independent component analysis for functional magnetic resonance imaging
    • Beckmann C.F., Smith S.M. Probabilistic independent component analysis for functional magnetic resonance imaging. IEEE Trans. Med. Imaging 2004, 23:137-152.
    • (2004) IEEE Trans. Med. Imaging , vol.23 , pp. 137-152
    • Beckmann, C.F.1    Smith, S.M.2
  • 3
    • 68949221655 scopus 로고    scopus 로고
    • Where is the semantic system? A critical review and meta-analysis of 120 functional neuroimaging studies
    • Binder J.R., Desai R.H., Graves W.W., Conant L.L. Where is the semantic system? A critical review and meta-analysis of 120 functional neuroimaging studies. Cereb. Cortex 2009, 19:2767-2796.
    • (2009) Cereb. Cortex , vol.19 , pp. 2767-2796
    • Binder, J.R.1    Desai, R.H.2    Graves, W.W.3    Conant, L.L.4
  • 5
    • 0029999731 scopus 로고    scopus 로고
    • Linear systems analysis of functional magnetic resonance imaging in human V1
    • Boynton G.M., Engel S.A., Glover G.H., Heeger D.J. Linear systems analysis of functional magnetic resonance imaging in human V1. J. Neurosci. 1996, 16:4207-4221.
    • (1996) J. Neurosci. , vol.16 , pp. 4207-4221
    • Boynton, G.M.1    Engel, S.A.2    Glover, G.H.3    Heeger, D.J.4
  • 6
    • 41949121294 scopus 로고    scopus 로고
    • The brain's default network: anatomy, function, and relevance to disease
    • Buckner R.L., Andrews-Hanna J.R., Schacter D.L. The brain's default network: anatomy, function, and relevance to disease. Ann. NY Acad. Sci. 2008, 1124:1-38.
    • (2008) Ann. NY Acad. Sci. , vol.1124 , pp. 1-38
    • Buckner, R.L.1    Andrews-Hanna, J.R.2    Schacter, D.L.3
  • 8
    • 0035033714 scopus 로고    scopus 로고
    • Spatial and temporal independent component analysis of functional MRI data containing a pair of task-related waveforms
    • Calhoun V.D., Adali T., Pearlson G.D., Pekar J.J. Spatial and temporal independent component analysis of functional MRI data containing a pair of task-related waveforms. Hum. Brain Mapp. 2001, 13:43-53.
    • (2001) Hum. Brain Mapp. , vol.13 , pp. 43-53
    • Calhoun, V.D.1    Adali, T.2    Pearlson, G.D.3    Pekar, J.J.4
  • 9
    • 65549097795 scopus 로고    scopus 로고
    • A review of group ICA for fMRI data and ICA for joint inference of imaging, genetic, and ERP data
    • Calhoun V.D., Liu J., Adali T. A review of group ICA for fMRI data and ICA for joint inference of imaging, genetic, and ERP data. Neuroimage 2009, 45:S163-S172.
    • (2009) Neuroimage , vol.45
    • Calhoun, V.D.1    Liu, J.2    Adali, T.3
  • 10
    • 84958149115 scopus 로고
    • The MRC psycholinguistic database
    • Coltheart M. The MRC psycholinguistic database. Q. J. Exp. Psychol. 1981, 33:497-505.
    • (1981) Q. J. Exp. Psychol. , vol.33 , pp. 497-505
    • Coltheart, M.1
  • 11
    • 12044258360 scopus 로고
    • Models of reading aloud: dual-route and parallel-distributed processing approaches
    • Coltheart M., Curtis B., Atkins P., Haller M. Models of reading aloud: dual-route and parallel-distributed processing approaches. Psychol. Rev. 1993, 100:589-608.
    • (1993) Psychol. Rev. , vol.100 , pp. 589-608
    • Coltheart, M.1    Curtis, B.2    Atkins, P.3    Haller, M.4
  • 14
    • 0037244390 scopus 로고    scopus 로고
    • Semantic processing in the left inferior prefrontal cortex: a combined functional magnetic resonance imaging and transcranial magnetic stimulation study
    • Devlin J.T., Matthews P.M., Rushworth M.F. Semantic processing in the left inferior prefrontal cortex: a combined functional magnetic resonance imaging and transcranial magnetic stimulation study. J. Cogn. Neurosci. 2003, 15:71-84.
    • (2003) J. Cogn. Neurosci. , vol.15 , pp. 71-84
    • Devlin, J.T.1    Matthews, P.M.2    Rushworth, M.F.3
  • 15
    • 0036301035 scopus 로고    scopus 로고
    • Spatial independent component analysis of functional MRI time-series: to what extent do results depend on the algorithm used?
    • Esposito F., Formisano E., Seifritz E., Goebel R., Morrone R., Tedeschi G., Di Salle F. Spatial independent component analysis of functional MRI time-series: to what extent do results depend on the algorithm used?. Hum. Brain Mapp. 2002, 16:146-157.
    • (2002) Hum. Brain Mapp. , vol.16 , pp. 146-157
    • Esposito, F.1    Formisano, E.2    Seifritz, E.3    Goebel, R.4    Morrone, R.5    Tedeschi, G.6    Di Salle, F.7
  • 17
    • 0028946011 scopus 로고
    • Improved assessment of significant activation in functional magnetic resonance imaging (fMRI): use of a cluster-size threshold
    • Forman S.D., Cohen J.D., Fitzgerald M., Eddy W.F., Mintun M.A., Noll D.C. Improved assessment of significant activation in functional magnetic resonance imaging (fMRI): use of a cluster-size threshold. Magn. Reson. Med. 1995, 33:636-647.
    • (1995) Magn. Reson. Med. , vol.33 , pp. 636-647
    • Forman, S.D.1    Cohen, J.D.2    Fitzgerald, M.3    Eddy, W.F.4    Mintun, M.A.5    Noll, D.C.6
  • 18
  • 19
    • 34548014282 scopus 로고    scopus 로고
    • Spontaneous fluctuations in brain activity observed with functional magnetic resonance imaging
    • Fox M.D., Raichle M.E. Spontaneous fluctuations in brain activity observed with functional magnetic resonance imaging. Nat. Rev. Neurosci. 2007, 8:700-711.
    • (2007) Nat. Rev. Neurosci. , vol.8 , pp. 700-711
    • Fox, M.D.1    Raichle, M.E.2
  • 21
    • 33749427596 scopus 로고    scopus 로고
    • How default is the default mode of brain function? Further evidence from intrinsic BOLD signal fluctuations
    • Fransson P. How default is the default mode of brain function? Further evidence from intrinsic BOLD signal fluctuations. Neuropsychologia 2006, 44:2836-2845.
    • (2006) Neuropsychologia , vol.44 , pp. 2836-2845
    • Fransson, P.1
  • 24
    • 0037422586 scopus 로고    scopus 로고
    • Functional connectivity in the resting brain: a network analysis of the default mode hypothesis
    • Greicius M.D., Krasnow B., Reiss A.L., Menon V. Functional connectivity in the resting brain: a network analysis of the default mode hypothesis. Proc. Natl Acad. Sci. USA 2003, 100:253-258.
    • (2003) Proc. Natl Acad. Sci. USA , vol.100 , pp. 253-258
    • Greicius, M.D.1    Krasnow, B.2    Reiss, A.L.3    Menon, V.4
  • 25
    • 10144257196 scopus 로고    scopus 로고
    • Default-mode activity during a passive sensory task: uncoupled from deactivation but impacting activation
    • Greicius M.D., Menon V. Default-mode activity during a passive sensory task: uncoupled from deactivation but impacting activation. J. Cogn. Neurosci. 2004, 16:1484-1492.
    • (2004) J. Cogn. Neurosci. , vol.16 , pp. 1484-1492
    • Greicius, M.D.1    Menon, V.2
  • 26
    • 1842427969 scopus 로고    scopus 로고
    • Default-mode network activity distinguishes Alzheimer's disease from healthy aging: evidence from functional MRI
    • Greicius M.D., Srivastava G., Reiss A.L., Menon V. Default-mode network activity distinguishes Alzheimer's disease from healthy aging: evidence from functional MRI. Proc. Natl Acad. Sci. USA 2004, 101:4637-4642.
    • (2004) Proc. Natl Acad. Sci. USA , vol.101 , pp. 4637-4642
    • Greicius, M.D.1    Srivastava, G.2    Reiss, A.L.3    Menon, V.4
  • 28
    • 48749090271 scopus 로고    scopus 로고
    • A unified framework for group independent component analysis for multi-subject fMRI data
    • Guo Y., Pagnoni G. A unified framework for group independent component analysis for multi-subject fMRI data. Neuroimage 2008, 42:1078-1093.
    • (2008) Neuroimage , vol.42 , pp. 1078-1093
    • Guo, Y.1    Pagnoni, G.2
  • 29
    • 0035957380 scopus 로고    scopus 로고
    • Medial prefrontal cortex and self-referential mental activity: relation to a default mode of brain function
    • Gusnard D.A., Akbudak E., Shulman G.L., Raichle M.E. Medial prefrontal cortex and self-referential mental activity: relation to a default mode of brain function. Proc. Natl Acad. Sci. USA 2001, 98:4259-4264.
    • (2001) Proc. Natl Acad. Sci. USA , vol.98 , pp. 4259-4264
    • Gusnard, D.A.1    Akbudak, E.2    Shulman, G.L.3    Raichle, M.E.4
  • 31
    • 0032629347 scopus 로고    scopus 로고
    • Fast and robust fixed-point algorithms for independent component analysis
    • Hyvarinen A. Fast and robust fixed-point algorithms for independent component analysis. IEEE Trans. Neural Netw. 1999, 10:626-634.
    • (1999) IEEE Trans. Neural Netw. , vol.10 , pp. 626-634
    • Hyvarinen, A.1
  • 32
    • 61449170955 scopus 로고    scopus 로고
    • BOLD correlates of EEG alpha phase-locking and the fMRI default mode network
    • Jann K., Dierks T., Boesch C., Kottlow M., Strik W., Koenig T. BOLD correlates of EEG alpha phase-locking and the fMRI default mode network. Neuroimage 2009, 45:903-916.
    • (2009) Neuroimage , vol.45 , pp. 903-916
    • Jann, K.1    Dierks, T.2    Boesch, C.3    Kottlow, M.4    Strik, W.5    Koenig, T.6
  • 33
    • 0142074699 scopus 로고    scopus 로고
    • Evaluation of the dual route theory of reading: a metanalysis of 35 neuroimaging studies
    • Jobard G., Crivello F., Tzourio-Mazoyer N. Evaluation of the dual route theory of reading: a metanalysis of 35 neuroimaging studies. Neuroimage 2003, 20:693-712.
    • (2003) Neuroimage , vol.20 , pp. 693-712
    • Jobard, G.1    Crivello, F.2    Tzourio-Mazoyer, N.3
  • 34
    • 41749084365 scopus 로고    scopus 로고
    • Role of anterior cingulate cortex during semantic coding in verbal working memory
    • Kaneda M., Osaka N. Role of anterior cingulate cortex during semantic coding in verbal working memory. Neurosci. Lett. 2008, 436:57-61.
    • (2008) Neurosci. Lett. , vol.436 , pp. 57-61
    • Kaneda, M.1    Osaka, N.2
  • 35
    • 33846861311 scopus 로고    scopus 로고
    • Increased temporal and prefrontal activity in response to semantic associations in schizophrenia
    • Kuperberg G.R., Deckersbach T., Holt D.J., Goff D., West W.C. Increased temporal and prefrontal activity in response to semantic associations in schizophrenia. Arch. Gen. Psychiatry 2007, 64:138-151.
    • (2007) Arch. Gen. Psychiatry , vol.64 , pp. 138-151
    • Kuperberg, G.R.1    Deckersbach, T.2    Holt, D.J.3    Goff, D.4    West, W.C.5
  • 36
    • 33646841371 scopus 로고    scopus 로고
    • Increased sensitivity in mapping task demand in visuospatial processing using reaction-time-dependent hemodynamic response predictors in rapid event-related fMRI
    • Lehmann C., Vannini P., Wahlund L.O., Almkvist O., Dierks T. Increased sensitivity in mapping task demand in visuospatial processing using reaction-time-dependent hemodynamic response predictors in rapid event-related fMRI. Neuroimage 2006, 31:505-512.
    • (2006) Neuroimage , vol.31 , pp. 505-512
    • Lehmann, C.1    Vannini, P.2    Wahlund, L.O.3    Almkvist, O.4    Dierks, T.5
  • 37
    • 33845986021 scopus 로고    scopus 로고
    • Detecting functional connectivity in the resting brain: a comparison between ICA and CCA
    • Ma L., Wang B., Chen X., Xiong J. Detecting functional connectivity in the resting brain: a comparison between ICA and CCA. Magn. Reson. Imaging 2007, 25:47-56.
    • (2007) Magn. Reson. Imaging , vol.25 , pp. 47-56
    • Ma, L.1    Wang, B.2    Chen, X.3    Xiong, J.4
  • 39
    • 0038003481 scopus 로고
    • The positive scew observed in reaction time distributions
    • McCormack P.D., Wright N.M. The positive scew observed in reaction time distributions. Can. J. Psychol. 1964, 18:43-51.
    • (1964) Can. J. Psychol. , vol.18 , pp. 43-51
    • McCormack, P.D.1    Wright, N.M.2
  • 41
    • 0031702801 scopus 로고    scopus 로고
    • Independent component analysis of fMRI data: examining the assumptions
    • McKeown M.J., Sejnowski T.J. Independent component analysis of fMRI data: examining the assumptions. Hum. Brain Mapp. 1998, 6:368-372.
    • (1998) Hum. Brain Mapp. , vol.6 , pp. 368-372
    • McKeown, M.J.1    Sejnowski, T.J.2
  • 42
    • 31844444843 scopus 로고    scopus 로고
    • Interrupting the "stream of consciousness": an fMRI investigation
    • McKiernan K.A., D'Angelo B.R., Kaufman J.N., Binder J.R. Interrupting the "stream of consciousness": an fMRI investigation. Neuroimage 2006, 29:1185-1191.
    • (2006) Neuroimage , vol.29 , pp. 1185-1191
    • McKiernan, K.A.1    D'Angelo, B.R.2    Kaufman, J.N.3    Binder, J.R.4
  • 43
    • 0037391121 scopus 로고    scopus 로고
    • A parametric manipulation of factors affecting task-induced deactivation in functional neuroimaging
    • McKiernan K.A., Kaufman J.N., Kucera-Thompson J., Binder J.R. A parametric manipulation of factors affecting task-induced deactivation in functional neuroimaging. J. Cogn. Neurosci. 2003, 15:394-408.
    • (2003) J. Cogn. Neurosci. , vol.15 , pp. 394-408
    • McKiernan, K.A.1    Kaufman, J.N.2    Kucera-Thompson, J.3    Binder, J.R.4
  • 45
  • 46
    • 77952880728 scopus 로고    scopus 로고
    • The cerebellum and language: historical perspective and review
    • Murdoch B.E. The cerebellum and language: historical perspective and review. Cortex 2010, 46:858-868.
    • (2010) Cortex , vol.46 , pp. 858-868
    • Murdoch, B.E.1
  • 47
    • 0036338665 scopus 로고    scopus 로고
    • A PET study of stimulus- and task-induced semantic processing
    • Noppeney U., Price C.J. A PET study of stimulus- and task-induced semantic processing. Neuroimage 2002, 15:927-935.
    • (2002) Neuroimage , vol.15 , pp. 927-935
    • Noppeney, U.1    Price, C.J.2
  • 48
    • 0015021890 scopus 로고
    • The assessment and analysis of handedness: the Edinburgh inventory
    • Oldfield R.C. The assessment and analysis of handedness: the Edinburgh inventory. Neuropsychologia 1971, 9:97-113.
    • (1971) Neuropsychologia , vol.9 , pp. 97-113
    • Oldfield, R.C.1
  • 49
    • 19844369878 scopus 로고    scopus 로고
    • Time-resolved sex differences in language lateralization
    • Ortigue S., Thut G., Landis T., Michel C.M. Time-resolved sex differences in language lateralization. Brain 2005, 128:E28.
    • (2005) Brain , vol.128
    • Ortigue, S.1    Thut, G.2    Landis, T.3    Michel, C.M.4
  • 50
    • 0035191102 scopus 로고    scopus 로고
    • Task-dependency of the neural correlates of episodic encoding as measured by fMRI
    • Otten L.J., Rugg M.D. Task-dependency of the neural correlates of episodic encoding as measured by fMRI. Cereb. Cortex 2001, 11:1150-1160.
    • (2001) Cereb. Cortex , vol.11 , pp. 1150-1160
    • Otten, L.J.1    Rugg, M.D.2
  • 51
    • 36348949178 scopus 로고    scopus 로고
    • Where do you know what you know? The representation of semantic knowledge in the human brain
    • Patterson K., Nestor P.J., Rogers T.T. Where do you know what you know? The representation of semantic knowledge in the human brain. Nat. Rev. Neurosci. 2007, 8:976-987.
    • (2007) Nat. Rev. Neurosci. , vol.8 , pp. 976-987
    • Patterson, K.1    Nestor, P.J.2    Rogers, T.T.3
  • 52
    • 0033653583 scopus 로고    scopus 로고
    • The anatomy of language: contributions from functional neuroimaging
    • Price C.J. The anatomy of language: contributions from functional neuroimaging. J. Anat. 2000, 197:335-359.
    • (2000) J. Anat. , vol.197 , pp. 335-359
    • Price, C.J.1
  • 55
    • 34548535101 scopus 로고    scopus 로고
    • A default mode of brain function: a brief history of an evolving idea
    • Raichle M.E., Snyder A.Z. A default mode of brain function: a brief history of an evolving idea. Neuroimage 2007, 37:1083-1090.
    • (2007) Neuroimage , vol.37 , pp. 1083-1090
    • Raichle, M.E.1    Snyder, A.Z.2
  • 56
    • 69249229538 scopus 로고    scopus 로고
    • Similar and dissociable mechanisms for attention to internal versus external information
    • Roth J.K., Johnson M.K., Raye C.L., Constable R.T. Similar and dissociable mechanisms for attention to internal versus external information. Neuroimage 2009, 48:601-608.
    • (2009) Neuroimage , vol.48 , pp. 601-608
    • Roth, J.K.1    Johnson, M.K.2    Raye, C.L.3    Constable, R.T.4
  • 57
    • 0030992259 scopus 로고    scopus 로고
    • Phonological and orthographic components of word recognition. A PET-rCBF study
    • Rumsey J.M., Horwitz B., Donohue B.C., Nace K., Maisog J.M., Andreason P. Phonological and orthographic components of word recognition. A PET-rCBF study. Brain 1997, 120:739-759.
    • (1997) Brain , vol.120 , pp. 739-759
    • Rumsey, J.M.1    Horwitz, B.2    Donohue, B.C.3    Nace, K.4    Maisog, J.M.5    Andreason, P.6
  • 58
    • 0042170176 scopus 로고    scopus 로고
    • Going beyond the information given: a neural system supporting semantic interpretation
    • Scott S.K., Leff A.P., Wise R.J. Going beyond the information given: a neural system supporting semantic interpretation. Neuroimage 2003, 19:870-876.
    • (2003) Neuroimage , vol.19 , pp. 870-876
    • Scott, S.K.1    Leff, A.P.2    Wise, R.J.3
  • 60
    • 4043110694 scopus 로고    scopus 로고
    • Do women really have more bilateral language representation than men? A meta-analysis of functional imaging studies
    • Sommer I.E., Aleman A., Bouma A., Kahn R.S. Do women really have more bilateral language representation than men? A meta-analysis of functional imaging studies. Brain 2004, 127:1845-1852.
    • (2004) Brain , vol.127 , pp. 1845-1852
    • Sommer, I.E.1    Aleman, A.2    Bouma, A.3    Kahn, R.S.4
  • 62
    • 0000838862 scopus 로고
    • Episodic and semantic memory
    • Academic Press (Ed.), Organisation of memory, New York, NY.
    • Tulving, E., Donaldson, W., 1972. Episodic and semantic memory. In: Academic Press (Ed.), Organisation of memory, New York, NY, pp. 381-403.
    • (1972) , pp. 381-403
    • Tulving, E.1    Donaldson, W.2
  • 63
    • 0002651020 scopus 로고
    • Two cortical visual systems
    • MIT, Cambridge, MA, D.J. Ingle, M.A. Goodale, R.J.W. Mansfield (Eds.)
    • Ungerleider L., Mishkin M. Two cortical visual systems. Analysis of visual Behavior 1982, 549-586. MIT, Cambridge, MA. D.J. Ingle, M.A. Goodale, R.J.W. Mansfield (Eds.).
    • (1982) Analysis of visual Behavior , pp. 549-586
    • Ungerleider, L.1    Mishkin, M.2
  • 64
    • 67651051877 scopus 로고    scopus 로고
    • Neural network of speech monitoring overlaps with overt speech production and comprehension networks: a sequential spatial and temporal ICA study
    • van de Ven V., Esposito F., Christoffels I.K. Neural network of speech monitoring overlaps with overt speech production and comprehension networks: a sequential spatial and temporal ICA study. Neuroimage 2009, 47:1982-1991.
    • (2009) Neuroimage , vol.47 , pp. 1982-1991
    • van de Ven, V.1    Esposito, F.2    Christoffels, I.K.3
  • 68
    • 45949083471 scopus 로고    scopus 로고
    • The early context effect reflects activity in the temporo-prefrontal semantic system: evidence from electrical neuroimaging of abstract and concrete word reading
    • Wirth M., Horn H., Koenig T., Razafimandimby A., Stein M., Mueller T., Federspiel A., Meier B., Dierks T., Strik W. The early context effect reflects activity in the temporo-prefrontal semantic system: evidence from electrical neuroimaging of abstract and concrete word reading. Neuroimage 2008, 42:423-436.
    • (2008) Neuroimage , vol.42 , pp. 423-436
    • Wirth, M.1    Horn, H.2    Koenig, T.3    Razafimandimby, A.4    Stein, M.5    Mueller, T.6    Federspiel, A.7    Meier, B.8    Dierks, T.9    Strik, W.10
  • 69
    • 34548009595 scopus 로고    scopus 로고
    • Sex differences in semantic processing: event-related brain potentials distinguish between lower and higher order semantic analysis during word reading
    • Wirth M., Horn H., Koenig T., Stein M., Federspiel A., Meier B., Michel C., Strik W. Sex differences in semantic processing: event-related brain potentials distinguish between lower and higher order semantic analysis during word reading. Cereb. Cortex 2007, 17:1987-1997.
    • (2007) Cereb. Cortex , vol.17 , pp. 1987-1997
    • Wirth, M.1    Horn, H.2    Koenig, T.3    Stein, M.4    Federspiel, A.5    Meier, B.6    Michel, C.7    Strik, W.8


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