Depressive Disorder

• Woodland International Research Group — Little Rock, Alaska, United States
• CITrials — Bellflower, California, United States
• Radiant Research/Comprehensive Clinical Development, Inc. — Cerritos, California, United States
• Collaborative Neuroscience Network Inc. — Garden Grove, California, United States

• Mainline Health Systems Inc. — Eudora, Arkansas, United States
• Boston Mountain Rural Health Center — Huntsville, Arkansas, United States
• Lee County Cooperative Clinic — Marianna, Arkansas, United States
• ARcare — Melbourne, Arkansas, United States

• Butajira mental health research office — Butajīra, Ethiopia

• Massachusetts General Hospital- Depression Clinical and Research Program — Boston, Massachusetts, United States
• Chelsea Counseling Center- North Suffolk Mental Health Association — Chelsea, Massachusetts, United States

Not specified

• Columbia University/New York State Psychiatric Institute — New York, United States

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

• Beilinson hospital — Petach Tikvah, Israel

• 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