Depressive Disorder

• Research Site — Arta, Artas, Greece
• Research Site — Athens, Attica, Greece
• Research Site — Chaïdári, Attica, Greece
• Research Site — Dafni, Attica, Greece

• Psychiatric Clinic — Säter, Dalarna County, Sweden
• Löwenströmska sjukhuset — Stockholm, Stockholm County, Sweden
• Psychiatric Clinic — Uppsala, Uppsala County, Sweden
• Psychiatric clinic — Örebro, Örebro County, Sweden

• Department of Psychiatry and Psychotherapy, University of Bonn — Bonn, Germany

• GSK Investigational Site — Guangzhou, Guangdong, China
• GSK Investigational Site — Baoding, Hebei, China
• GSK Investigational Site — Changsha, Hunan, China
• GSK Investigational Site — Nanjing, Jiangsu, China

• Sanofi-Aventis — Bridgewater, New Jersey, United States

• Research Site — Garran, Australian Capital Territory, Australia
• Research Site — Brisbane, Queensland, Australia
• Research Site — Everton Park, Queensland, Australia
• Research Site — Townsville, Queensland, Australia

• Department of psychiatry, Roozbeh psychiatric hospital, Tehran University of medical sciences — Tehran, Tehran Province, Iran

• UBC Hospital Mood Disorders Centre — Vancouver, British Columbia, Canada

Not specified

• PRA International — Zuidlaren, Netherlands