Relapse

• Georgetown Center for Functional And Molecular Imaging, Georgetown University Medical Center — Washington D.C., District of Columbia, United States
• Inova Heath Services Comprehensive Addictions Treatment Services (ICATS) — Falls Church, Virginia, United States

• saint Louis — Paris, France

• Massachusetts General Hospital; Depression Research and Clinical Program — Boston, Massachusetts, United States

• Centre Henri Becquerel — Rouen, France

• Institut Jules Bordet — Brussels, Belgium

• Rocky Mountain Multiple Sclerosis Clinic — Salt Lake City, Utah, United States

Not specified

• Hopital Henri Mondor — Créteil, France

• Dept. of Internal Medicine II, University of Wuerzburg — Würzburg, Bavaria, Germany