1. Department of Psychiatry, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
2. Zealand Pharma A/S, Søborg, Denmark
3. Boehringer-Ingelheim Pharma GmbH & Co. KG, Biberach, Germany
4. Department of Exercise and Nutrition Sciences, School of Public Health and Health Professions, University at Buffalo, State University of New York, Buffalo, New York