Depressive Disorder, Major

• UCLA Neuropsychiatric Institute & Hospital — Los Angeles, California, United States

• Massachusetts General Hospital — Boston, Massachusetts, United States

• GSK Investigational Site — Guangzhou, Guangdong, China
• GSK Investigational Site — Nanning, Guangxi, China
• GSK Investigational Site — Guiyang, Guizhou, China
• GSK Investigational Site — Baoding, Hebei, China

• McLean Hospital — Belmont, Massachusetts, United States

• Teaching Hospital of Chengdu University of Traditional Chinese Medicine — Chengdu, Sichuan, China

• PB Sveti Ivan — Zagreb, Croatia

Not specified

• Yale University — New Haven, Connecticut, United States

• University of Minnesota — Minneapolis, Minnesota, United States

• Barnes-Jewish Hospital — St Louis, Missouri, United States