Depressive Disorder, Major

• University Hospital — Montpêllier, France

• Behavioral Pharmacology Research Unit, Johns Hopkins Bayview Medical Center — Baltimore, Maryland, United States

• Department of Psychiatry & Psychotherapy, University of Tübingen — Tübingen, Baden-Wurttemberg, Germany

• Beijing Anding Hospital — Beijing, China

• Ghent University — Ghent, Belgium

• University Hospital Ghent — Ghent, Belgium

• The Sixth Hospital of Peking University — Beijing, China

• Douglas Mental Health University Institute — Montreal, Quebec, Canada

• Mark Lau — Vancouver, British Columbia, Canada

Not specified