aIndiana University, Indianapolis, Indiana
bUniversity of Pennsylvania, Philadelphia, Pennsylvania
cUniversity of California Irvine, Irvine
dUniversity of California San Diego, La Jolla, California
eUniversity of Iowa, Iowa City, Iowa
fUniversity of Louisville, Louisville, Kentucky
gUniversity of Chicago
hRush University Medical Center, Chicago, Illinois
iHoward University, Washington, DC
jThe Johns Hopkins Hospital, Baltimore
kNational Institute of Mental Health, National Institute of Health, Bethesda, Maryland
lUniversity of Michigan, Ann Arbor, Michigan
mWashington University St Louis, St Louis, Missouri, USA
Correspondence to Dr Tatiana Foroud, PhD, Department of Medical and Molecular Genetics, Indiana University School of Medicine, Health Information and Translational Sciences HS 4000, 410 West 10th Street, Indianapolis, IN 46202-3002, USA
Tel: +1 317 278 1291; fax: +1 317 278 1100;
e-mail: [email protected]
Received 15 June 2007 Revised 16 December 2007 Accepted 6 February 2008