Depressive Disorder, Major

• Hospital Research Unit at the Yale New Haven Hospital — New Haven, Connecticut, United States
• Yale Child Study Center — New Haven, Connecticut, United States

• VA San Diego Healthcare System — San Diego, California, United States

• John Papastergiou Pharmacy Ltd - Store#500 — Toronto, Ontario, Canada
• John Papastergiou Pharmacy Ltd - Store#994 — Toronto, Ontario, Canada

• New York State Psychiatric Institute — New York, United States

• Charité Universitätsmedizin Berlin — Berlin, Germany

• Ohio State University — Columbus, Ohio, United States

• University of Alabama at Birmingham — Birmingham, Alabama, United States
• Harmonex, Inc. — Dothan, Alabama, United States
• NoesisPharma — Phoenix, Arizona, United States
• Woodland International Research Group — Little Rock, Arkansas, United States

Not specified

• Faculty of Medicine — Tanta, Egypt

• University of North Carolina Chapel Hill — Chapel Hill, North Carolina, United States