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Volumn 6, Issue JUN, 2014, Pages

Systemic inflammation impairs attention and cognitive flexibility but not associative learning in aged rats: Possible implications for delirium

Author keywords

Aging neuroscience; Ccl2; Frontal cortex; Inflammation; Lipopolysaccharides; Rats; Set shifting

Indexed keywords

LIPOPOLYSACCHARIDE; MONOCYTE CHEMOTACTIC PROTEIN 1; SODIUM CHLORIDE; TUMOR NECROSIS FACTOR ALPHA;

EID: 84904565716     PISSN: None     EISSN: 16634365     Source Type: Journal    
DOI: 10.3389/fnagi.2014.00107     Document Type: Article
Times cited : (57)

References (42)
  • 1
    • 0036667081 scopus 로고    scopus 로고
    • Aged rats are impaired on an attentional set-shifting task sensitive to medial frontal cortex damage in young rats
    • doi: 10.1101/lm.48602
    • Barense, M. D., Fox, M. T., and Baxter, M. G. (2002). Aged rats are impaired on an attentional set-shifting task sensitive to medial frontal cortex damage in young rats. Learn. Mem. 9, 191-201. doi: 10.1101/lm.48602
    • (2002) Learn. Mem , vol.9 , pp. 191-201
    • Barense, M.D.1    Fox, M.T.2    Baxter, M.G.3
  • 2
    • 33645973676 scopus 로고    scopus 로고
    • Peripheral infection and aging interact to impair hippocampal memory consolidation
    • doi:10.1016/j.neurobiolaging.2005.03.010
    • Barrientos, R. M., Higgins, E. A., Biedenkapp, J. C., Sprunger, D. B., Wright-Hardesty, K. J., Watkins, L. R., et al. (2006). Peripheral infection and aging interact to impair hippocampal memory consolidation. Neurobiol. Aging 27, 723-732. doi:10.1016/j.neurobiolaging.2005.03.010
    • (2006) Neurobiol. Aging , vol.27 , pp. 723-732
    • Barrientos, R.M.1    Higgins, E.A.2    Biedenkapp, J.C.3    Sprunger, D.B.4    Wright-Hardesty, K.J.5    Watkins, L.R.6
  • 3
    • 0034212645 scopus 로고    scopus 로고
    • Medial frontal cortex mediates perceptual attentional set shifting in the rat
    • Birrell, J. M., and Brown, V. J. (2000). Medial frontal cortex mediates perceptual attentional set shifting in the rat. J. Neurosci. 20, 4320-4324.
    • (2000) J. Neurosci. , vol.20 , pp. 4320-4324
    • Birrell, J.M.1    Brown, V.J.2
  • 4
    • 0034771358 scopus 로고    scopus 로고
    • Immunology of delirium: new opportunities for treatment and research
    • doi:10.1192/bjp.179.4.288
    • Broadhurst, C., and Wilson, K. (2001). Immunology of delirium: new opportunities for treatment and research. Br. J. Psychiatry 179, 288-289. doi:10.1192/bjp.179.4.288
    • (2001) Br. J. Psychiatry , vol.179 , pp. 288-289
    • Broadhurst, C.1    Wilson, K.2
  • 5
    • 84866426603 scopus 로고    scopus 로고
    • Transient inactivation of the neonatal ventral hippocampus impairs attentional set-shifting behavior: reversal with an α7 nicotinic agonist
    • doi:10.1038/npp.2012.106
    • Brooks, J. M., Pershing, M. L., Thomsen, M. S., Mikkelsen, J. D., Sarter, M., and Bruno, J.P. (2012). Transient inactivation of the neonatal ventral hippocampus impairs attentional set-shifting behavior: reversal with an α7 nicotinic agonist. Neuropsychopharmacology 37, 2476-2486. doi:10.1038/npp.2012.106
    • (2012) Neuropsychopharmacology , vol.37 , pp. 2476-3248
    • Brooks, J.M.1    Pershing, M.L.2    Thomsen, M.S.3    Mikkelsen, J.D.4    Sarter, M.5    Bruno, J.P.6
  • 6
    • 79551607012 scopus 로고    scopus 로고
    • Differential effects of delirium on fluid and crystallized cognitive abilities
    • doi:10.1016/j.archger.2010.03.005
    • Brown, L. J., Ferner, H. S., Robertson, J., Mills, N. L., Pessotto, R., Deary, I. J., et al. (2011). Differential effects of delirium on fluid and crystallized cognitive abilities. Arch. Gerontol. Geriatr. 52, 153-158. doi:10.1016/j.archger.2010.03.005
    • (2011) Arch. Gerontol. Geriatr. , vol.52 , pp. 153-158
    • Brown, L.J.1    Ferner, H.S.2    Robertson, J.3    Mills, N.L.4    Pessotto, R.5    Deary, I.J.6
  • 7
    • 33645502345 scopus 로고    scopus 로고
    • Upregulation of prostaglandin E2 and interleukins in the central nervous system and peripheral tissue during and after surgery in humans
    • doi:10.1097/00000542-200603000-00005
    • Buvanendran, A., Kroin, J. S., Berger, R. A., Hallab, N. J., Saha, C., Negrescu, C., et al. (2006). Upregulation of prostaglandin E2 and interleukins in the central nervous system and peripheral tissue during and after surgery in humans. Anesthesiology 104, 403-410. doi:10.1097/00000542-200603000-00005
    • (2006) Anesthesiology , vol.104 , pp. 403-410
    • Buvanendran, A.1    Kroin, J.S.2    Berger, R.A.3    Hallab, N.J.4    Saha, C.5    Negrescu, C.6
  • 8
    • 38649119160 scopus 로고    scopus 로고
    • Neuroinflammation and disruption in working memory in aged mice after acute stimulation of the peripheral innate immune system
    • doi:10.1016/j.bbi.2007.08.014
    • Chen, J., Buchanan, J. B., Sparkman, N. L., Godbout, J. P., Freund, G. G., and Johnson, R. W. (2008). Neuroinflammation and disruption in working memory in aged mice after acute stimulation of the peripheral innate immune system. Brain Behav. Immun. 22, 301-311. doi:10.1016/j.bbi.2007.08.014
    • (2008) Brain Behav. Immun. , vol.22 , pp. 301-311
    • Chen, J.1    Buchanan, J.B.2    Sparkman, N.L.3    Godbout, J.P.4    Freund, G.G.5    Johnson, R.W.6
  • 9
    • 4344701960 scopus 로고    scopus 로고
    • Central blockade of muscarinic cholinergic receptors disrupts affective and attentional set-shifting
    • doi:10.1111/j.1460-9568.2004.03548.x
    • Chen, K. C., Baxter, M. G., and Rodefer, J. S. (2004). Central blockade of muscarinic cholinergic receptors disrupts affective and attentional set-shifting. Eur. J. Neurosci. 20, 1081-1088. doi:10.1111/j.1460-9568.2004.03548.x
    • (2004) Eur. J. Neurosci. , vol.20 , pp. 1081-1088
    • Chen, K.C.1    Baxter, M.G.2    Rodefer, J.S.3
  • 10
    • 84860539606 scopus 로고    scopus 로고
    • Neural network functional connectivity during and after an episode of delirium
    • doi:10.1176/appi.ajp.2012.11060976
    • Choi, S. H., Lee, H., Chung, T. S., Park, K. M., Jung, Y. C., Kim, S. I., et al. (2012). Neural network functional connectivity during and after an episode of delirium. Am. J. Psychiatry 169, 498-507. doi:10.1176/appi.ajp.2012.11060976
    • (2012) Am. J. Psychiatry , vol.169 , pp. 498-507
    • Choi, S.H.1    Lee, H.2    Chung, T.S.3    Park, K.M.4    Jung, Y.C.5    Kim, S.I.6
  • 11
    • 77956378483 scopus 로고    scopus 로고
    • Role of interleukin-1beta in postoperative cognitive dysfunction
    • doi:10.1002/ana.22082
    • Cibelli, M., Fidalgo, A. R., Terrando, N., Ma, D., Monaco, C., Feldmann, M., et al. (2010). Role of interleukin-1beta in postoperative cognitive dysfunction. Ann. Neurol. 68, 360-368. doi:10.1002/ana.22082
    • (2010) Ann. Neurol. , vol.68 , pp. 360-368
    • Cibelli, M.1    Fidalgo, A.R.2    Terrando, N.3    Ma, D.4    Monaco, C.5    Feldmann, M.6
  • 12
    • 0036517313 scopus 로고    scopus 로고
    • Control of goal-directed and stimulus-driven attention in the brain
    • doi:10.1038/nrn755
    • Corbetta, M., and Shulman, G. L. (2002). Control of goal-directed and stimulus-driven attention in the brain. Nat. Rev. Neurosci. 3, 201-215. doi:10.1038/nrn755
    • (2002) Nat. Rev. Neurosci. , vol.3 , pp. 201-215
    • Corbetta, M.1    Shulman, G.L.2
  • 13
    • 84872199548 scopus 로고    scopus 로고
    • At the extreme end of the psychoneuroimmunological spectrum: delirium as a maladaptive sickness behaviour response
    • doi:10.1016/j.bbi.2012.07.012
    • Cunningham, C., and Maclullich, A. M. J. (2013). At the extreme end of the psychoneuroimmunological spectrum: delirium as a maladaptive sickness behaviour response. Brain Behav. Immun 28, 1-13. doi:10.1016/j.bbi.2012.07.012
    • (2013) Brain Behav. Immun , vol.28 , pp. 1-13
    • Cunningham, C.1    Maclullich, A.M.J.2
  • 14
    • 0029858598 scopus 로고    scopus 로고
    • Primate analogue of the Wisconsin Card Sorting Test: effects of excitotoxic lesions of the prefrontal cortex in the marmoset
    • doi:10.1037/0735-7044.110.5.872
    • Dias, R., Robbins, T. W., and Roberts, A. C. (1996). Primate analogue of the Wisconsin Card Sorting Test: effects of excitotoxic lesions of the prefrontal cortex in the marmoset. Behav. Neurosci. 110, 872-886. doi:10.1037/0735-7044.110.5.872
    • (1996) Behav. Neurosci. , vol.110 , pp. 872-886
    • Dias, R.1    Robbins, T.W.2    Roberts, A.C.3
  • 15
    • 0037439912 scopus 로고    scopus 로고
    • Perceptual attentional set-shifting is impaired in rats with neurotoxic lesions of posterior parietal cortex
    • Fox, M. T., Barense, M. D., and Baxter, M. G. (2003). Perceptual attentional set-shifting is impaired in rats with neurotoxic lesions of posterior parietal cortex. J. Neurosci. 23, 676-681.
    • (2003) J. Neurosci. , vol.23 , pp. 676-681
    • Fox, M.T.1    Barense, M.D.2    Baxter, M.G.3
  • 16
    • 65349156867 scopus 로고    scopus 로고
    • Measures of executive function and depression identify patients at risk for postoperative delirium
    • doi:10.1097/ALN.0b013e31819b5ba6
    • Greene, N. H., Attix, D. K., Weldon, B. C., Smith, P. J., McDonagh, D. L., and Monk, T. G. (2009). Measures of executive function and depression identify patients at risk for postoperative delirium. Anesthesiology 110, 788-795. doi:10.1097/ALN.0b013e31819b5ba6
    • (2009) Anesthesiology , vol.110 , pp. 788-795
    • Greene, N.H.1    Attix, D.K.2    Weldon, B.C.3    Smith, P.J.4    McDonagh, D.L.5    Monk, T.G.6
  • 17
    • 70349570588 scopus 로고    scopus 로고
    • Systemic inflammation and disease progression in Alzheimer disease
    • doi:10.1212/WNL.0b013e3181b6bb95
    • Holmes, C., Cunningham, C., Zotova, E., Woolford, J., Dean, C., Kerr, S., et al. (2009). Systemic inflammation and disease progression in Alzheimer disease. Neurology 73, 768-774. doi:10.1212/WNL.0b013e3181b6bb95
    • (2009) Neurology , vol.73 , pp. 768-774
    • Holmes, C.1    Cunningham, C.2    Zotova, E.3    Woolford, J.4    Dean, C.5    Kerr, S.6
  • 18
    • 33644988306 scopus 로고    scopus 로고
    • Delirium in older persons
    • doi:10.1056/NEJMra052321
    • Inouye, S. K. (2006). Delirium in older persons. N. Engl. J. Med. 354, 1157-1165. doi:10.1056/NEJMra052321
    • (2006) N. Engl. J. Med. , vol.354 , pp. 1157-1165
    • Inouye, S.K.1
  • 19
    • 84897366749 scopus 로고    scopus 로고
    • Age sensitivity of behavioral tests and brain substrates of normal aging in mice
    • doi:10.3389/fnagi.2011.00009
    • Kennard, J. A., and Woodruff-Pak, D. S. (2011). Age sensitivity of behavioral tests and brain substrates of normal aging in mice. Front. Aging Neurosci. 3:9. doi:10.3389/fnagi.2011.00009
    • (2011) Front. Aging Neurosci. , vol.3 , pp. 9
    • Kennard, J.A.1    Woodruff-Pak, D.S.2
  • 22
    • 0344393796 scopus 로고    scopus 로고
    • Orbital prefrontal cortex mediates reversal learning and not attentional set shifting in the rat. Behav
    • doi:10.1016/j.bbr.2003.09.019
    • McAlonan, K., and Brown, V. J. (2003). Orbital prefrontal cortex mediates reversal learning and not attentional set shifting in the rat. Behav. Brain Res. 146, 97-103. doi:10.1016/j.bbr.2003.09.019
    • (2003) Brain Res , vol.146 , pp. 97-103
    • McAlonan, K.1    Brown, V.J.2
  • 23
    • 84887059933 scopus 로고
    • Effects of different brain lesions on card sorting: the role of the frontal lobes
    • doi:10.1001/archneur.1963.00460070100010
    • Milner, B. (1963). Effects of different brain lesions on card sorting: the role of the frontal lobes. Arch. Neurol. 9, 100-110. doi:10.1001/archneur.1963.00460070100010
    • (1963) Arch. Neurol. , vol.9 , pp. 100-110
    • Milner, B.1
  • 24
    • 77951957277 scopus 로고    scopus 로고
    • Systemic inflammation induces acute working memory deficits in the primed brain: relevance for delirium
    • doi:10.1016/j.neurobiolaging.2010.04.002
    • Murray, C., Sanderson, D. J., Barkus, C., Deacon, R. M., Rawlins, J. N., Bannerman, D. M., et al. (2012). Systemic inflammation induces acute working memory deficits in the primed brain: relevance for delirium. Neurobiol. Aging 33, 603-616. doi:10.1016/j.neurobiolaging.2010.04.002
    • (2012) Neurobiol. Aging , vol.33 , pp. 603-616
    • Murray, C.1    Sanderson, D.J.2    Barkus, C.3    Deacon, R.M.4    Rawlins, J.N.5    Bannerman, D.M.6
  • 25
    • 33749577874 scopus 로고    scopus 로고
    • Brain dysfunction: another burden for the chronically critically ill
    • doi:10.1001/archinte.166.18.1993
    • Nelson, J. E., Tandon, N., Mercado, A. F., Camhi, S. L., Ely, E. W., and Morrison, R. S. (2006). Brain dysfunction: another burden for the chronically critically ill. Arch. Intern. Med. 166, 1993-1999. doi:10.1001/archinte.166.18.1993
    • (2006) Arch. Intern. Med. , vol.166 , pp. 1993-1999
    • Nelson, J.E.1    Tandon, N.2    Mercado, A.F.3    Camhi, S.L.4    Ely, E.W.5    Morrison, R.S.6
  • 26
    • 79955718730 scopus 로고    scopus 로고
    • Altered hippocampal synaptic transmission in transgenic mice with astrocyte-targeted enhanced CCL2 expression
    • doi:10.1016/j.bbi.2011.02.013
    • Nelson, T. E., Hao, C., Manos, J., Ransohoff, R. M., and Gruol, D. L. (2011). Altered hippocampal synaptic transmission in transgenic mice with astrocyte-targeted enhanced CCL2 expression. Brain Behav. Immun. 25(Suppl. 1), S106-S119. doi:10.1016/j.bbi.2011.02.013
    • (2011) Brain Behav. Immun. , vol.25 , Issue.Suppl. 1
    • Nelson, T.E.1    Hao, C.2    Manos, J.3    Ransohoff, R.M.4    Gruol, D.L.5
  • 27
    • 33750342122 scopus 로고    scopus 로고
    • Psychiatric symptoms induced by antiviral therapy in chronic hepatitis C: comparison between interferon-alpha-2a and interferon-alpha-2b
    • doi:10.2165/00044011-200626110-00005
    • Neri, S., Pulvirenti, D., and Bertino, G. (2006). Psychiatric symptoms induced by antiviral therapy in chronic hepatitis C: comparison between interferon-alpha-2a and interferon-alpha-2b. Clin. Drug Investig. 26, 655-662. doi:10.2165/00044011-200626110-00005
    • (2006) Clin. Drug Investig. , vol.26 , pp. 655-662
    • Neri, S.1    Pulvirenti, D.2    Bertino, G.3
  • 28
    • 0024114161 scopus 로고
    • The effects of intradimensional and extradimensional shifts on visual discrimination learning in humans and non-human primates
    • Roberts, A. C., Robbins, T. W., and Everitt, B. J. (1988). The effects of intradimensional and extradimensional shifts on visual discrimination learning in humans and non-human primates. Q. J. Exp. Psychol. B 40, 321-341.
    • (1988) Q. J. Exp. Psychol. B , vol.40 , pp. 321-341
    • Roberts, A.C.1    Robbins, T.W.2    Everitt, B.J.3
  • 29
    • 79955474360 scopus 로고    scopus 로고
    • Review articles: postoperative delirium: acute change with long-term implications
    • doi:10.1213/ANE.0b013e3182147f6d
    • Rudolph, J. L., and Marcantonio, E. R. (2011). Review articles: postoperative delirium: acute change with long-term implications. Anesth. Analg. 112, 1202-1211. doi:10.1213/ANE.0b013e3182147f6d
    • (2011) Anesth. Analg. , vol.112 , pp. 1202-1211
    • Rudolph, J.L.1    Marcantonio, E.R.2
  • 32
    • 83055180007 scopus 로고    scopus 로고
    • Deficits in attentional control: cholinergic mechanisms and circuitry-based treatment approaches
    • doi:10.1037/a0026227
    • Sarter, M., and Paolone, G. (2011). Deficits in attentional control: cholinergic mechanisms and circuitry-based treatment approaches. Behav. Neurosci. 125, 825-835. doi:10.1037/a0026227
    • (2011) Behav. Neurosci. , vol.125 , pp. 825-835
    • Sarter, M.1    Paolone, G.2
  • 33
    • 65349109760 scopus 로고    scopus 로고
    • Executive function and depression as independent risk factors for postoperative delirium
    • doi:10.1097/ALN.0b013e31819b5bc2
    • Smith, P. J., Attix, D. K., Weldon, B. C., Greene, N. H., and Monk, T. G. (2009). Executive function and depression as independent risk factors for postoperative delirium. Anesthesiology 110, 781-787. doi:10.1097/ALN.0b013e31819b5bc2
    • (2009) Anesthesiology , vol.110 , pp. 781-787
    • Smith, P.J.1    Attix, D.K.2    Weldon, B.C.3    Greene, N.H.4    Monk, T.G.5
  • 34
    • 33750936288 scopus 로고    scopus 로고
    • Interleukin-6 facilitates lipopolysaccharide-induced disruption in working memory and expression of other proinflammatory cytokines in hippocampal neuronal cell layers
    • doi:10.1523/JNEUROSCI.3376-06.2006
    • Sparkman, N. L., Buchanan, J. B., Heyen, J. R., Chen, J., Beverly, J. L., and Johnson, R. W. (2006). Interleukin-6 facilitates lipopolysaccharide-induced disruption in working memory and expression of other proinflammatory cytokines in hippocampal neuronal cell layers. J. Neurosci. 26, 10709-10716. doi:10.1523/JNEUROSCI.3376-06.2006
    • (2006) J. Neurosci. , vol.26 , pp. 10709-10716
    • Sparkman, N.L.1    Buchanan, J.B.2    Heyen, J.R.3    Chen, J.4    Beverly, J.L.5    Johnson, R.W.6
  • 35
    • 0033943842 scopus 로고    scopus 로고
    • The inhibitory effects of interleukin-6 on synaptic plasticity in the rat hippocampus are associated with an inhibition of mitogen-activated protein kinase ERK
    • doi:10.1046/j.1471-4159.2000.0750634.x
    • Tancredi, V., D'Antuono, M., Cafè, C., Giovedí, S., Buè, M. C., D'Arcangelo, G., et al. (2000). The inhibitory effects of interleukin-6 on synaptic plasticity in the rat hippocampus are associated with an inhibition of mitogen-activated protein kinase ERK. J. Neurochem. 75, 634-643. doi:10.1046/j.1471-4159.2000.0750634.x
    • (2000) J. Neurochem. , vol.75 , pp. 634-643
    • Tancredi, V.1    D'Antuono, M.2    Cafè, C.3    Giovedí, S.4    Buè, M.C.5    D'Arcangelo, G.6
  • 36
    • 78650580820 scopus 로고    scopus 로고
    • Tumor necrosis factor-{alpha} triggers a cytokine cascade yielding postoperative cognitive decline
    • doi:10.1073/pnas.1014557107
    • Terrando, N., Monaco, C., Ma, D., Foxwell, B. M., Feldmann, M., and Maze, M. (2010). Tumor necrosis factor-{alpha} triggers a cytokine cascade yielding postoperative cognitive decline. Proc. Natl. Acad. Sci. U.S.A. 107, 20518-20522. doi:10.1073/pnas.1014557107
    • (2010) Proc. Natl. Acad. Sci. U. S. A. , vol.107 , pp. 20518-20522
    • Terrando, N.1    Monaco, C.2    Ma, D.3    Foxwell, B.M.4    Feldmann, M.5    Maze, M.6
  • 37
    • 0026792782 scopus 로고
    • An animal model for delirium
    • doi:10. 1016/S0033-3182(92)
    • Trzepacz, P. T., Leavitt, M., and Ciongoli, K. (1992). An animal model for delirium. Psychosomatics 33, 404-415. doi:10.1016/S0033-3182(92)71945-8
    • (1992) Psychosomatics , vol.33 , pp. 404-415
    • Trzepacz, P.T.1    Leavitt, M.2    Ciongoli, K.3
  • 38
    • 77449084057 scopus 로고    scopus 로고
    • Systemic infection and delirium: when cytokines and acetylcholine collide
    • doi:10. 1016/S0140-6736(09)
    • van Gool, W. A., van de Beek, D., and Eikelenboom, P. (2010). Systemic infection and delirium: when cytokines and acetylcholine collide. Lancet 375, 773-775. doi:10.1016/S0140-6736(09)61158-2
    • (2010) Lancet , vol.375 , pp. 773-775
    • van Gool, W.A.1    van de Beek, D.2    Eikelenboom, P.3
  • 39
    • 0034666435 scopus 로고    scopus 로고
    • The inhibitory effect of interleukin-1beta on long-term potentiation is coupled with increased activity of stress-activated protein kinases
    • Vereker, E., O'Donnell, E., and Lynch, M. A. (2000). The inhibitory effect of interleukin-1beta on long-term potentiation is coupled with increased activity of stress-activated protein kinases. J. Neurosci. 20, 6811-6819.
    • (2000) J. Neurosci. , vol.20 , pp. 6811-7681
    • Vereker, E.1    O'Donnell, E.2    Lynch, M.A.3
  • 40
    • 84856383137 scopus 로고    scopus 로고
    • CCL2 is associated with a faster rate of cognitive decline during early stages of Alzheimer's disease
    • doi:10.1371/journal.pone.0030525
    • Westin, K., Buchhave, P., Nielsen, H., Minthon, L., Janciauskiene, S., and Hansson, O. (2012). CCL2 is associated with a faster rate of cognitive decline during early stages of Alzheimer's disease. PLoS ONE 7:e30525. doi:10.1371/journal.pone.0030525
    • (2012) PLoS ONE , vol.7
    • Westin, K.1    Buchhave, P.2    Nielsen, H.3    Minthon, L.4    Janciauskiene, S.5    Hansson, O.6
  • 41
    • 0029799987 scopus 로고    scopus 로고
    • Acute cognitive impairment in elderly ED patients: etiologies and outcomes
    • doi:10. 1016/S0735-6757(96)
    • Wofford, J. L., Loehr, L. R., and Schwartz, E. (1996). Acute cognitive impairment in elderly ED patients: etiologies and outcomes. Am. J. Emerg. Med. 14, 649-653. doi:10.1016/S0735-6757(96)90080-7
    • (1996) Am. J. Emerg. Med. , vol.14 , pp. 649-653
    • Wofford, J.L.1    Loehr, L.R.2    Schwartz, E.3


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