Department of Biochemistry, Université de Montréal, Montréal, QC, Canada H3C 3J7; Hôpital du Sacré-Coeur de Montréal, Montréal, QC, Canada HGJ 1C5; Howard Hughes Medical Institute, Duke University Medical Center, Box 3821, Durham, NC 27710; and Département de Psychiatrie, Centre de Recherche Fernand-Seguin, Université de Montréal, Montréal, QC, Canada H1N 3V2(2003-09-17時点)