1. Janssen Research and Development, Department of Neuroscience, Titusville, New Jersey
2. University of Texas Southwestern Medical Center, Department of Psychiatry, Dallas, Texas
3. Janssen Research and Development, Clinical Biostatistics, Titusville, New Jersey
4. University of Ottawa, Departments of Psychiatry and Cellular & Molecular Medicine, Ottawa, Ontario, Canada
5. Clinical Trials Network and Institute, Massachusetts General Hospital, Boston, Massachusetts
6. The Medical Research Network, LLC, New York, New York
7. Institute of Medical Sciences, University of Toronto, Department of Psychiatry, Toronto, Ontario, Canada
8. Centre Hospitalier Sainte Anne, Service Hospitalo-Universitaire, Paris, France
9. AZ Sint-Jan Brugge-Oostende, Department of Psychiatry, Brugge, Belgium
10. University of Kansas School of Medicine-Wichita, Wichita, Kansas
11. Janssen Research and Development, Department of Neuroscience, San Diego, California