Depressive Disorder, Major

• GSK Investigational Site — Cerritos, California, United States
• GSK Investigational Site — San Diego, California, United States
• GSK Investigational Site — Torrance, California, United States
• GSK Investigational Site — Jacksonville, Florida, United States

• GSK Investigational Site — Hoffman Estates, Illinois, United States
• GSK Investigational Site — Park Ridge, Illinois, United States
• GSK Investigational Site — New York, United States
• GSK Investigational Site — Columbus, Ohio, United States

Not specified

• Stanford University School of Medicine — Stanford, California, United States

• Beijng, China
• Changsha, China
• Hangzhou, China
• Nanjing, China

• Sanatorium Kilchberg — Kilchberg, Canton of Zurich, Switzerland
• Department of Clinical Psychology and Psychotherapy — Bern, Switzerland

• National Institutes of Health Clinical Center, 9000 Rockville Pike — Bethesda, Maryland, United States

• GSK Investigational Site — Mesa, Arizona, United States
• GSK Investigational Site — Phoenix, Arizona, United States
• GSK Investigational Site — Scottsdale, Arizona, United States
• GSK Investigational Site — Little Rock, Arkansas, United States

Not specified

• University Hospitals Cleveland Medical Center - Mood Disorders Program — Cleveland, Ohio, United States