1. Department of Psychiatry, CES University, Medellín, Colombia.
2. Department of Psychiatry, Medical Sciences Campus, University of Puerto Rico, San Juan, Puerto Rico.
3. Department of Psychiatry, The Reading Hospital and Medical Center, Reading, PA; and Department of Psychiatry and Behavioral Sciences, Temple University School of Medicine, Philadelphia, Pennsylvania.
4. Department of Psychiatry and Behavioral Sciences, University of Miami, Miami, Florida.
5. Lilly Research Laboratories, Eli Lilly and Company, Indianapolis, Indiana.
6. Clinical Research Center, Medical Sciences Campus, University of Puerto Rico, San Juan, Puerto Rico.