1. Translational Schizophrenia Research Center, Nathan Kline Institute/Columbia University College of Physicians and Surgeons, New York, NY 10032, USA.
2. Neuroscience, Merck and Company Inc., North Wales, PA 19454, USA.
3. Department of Neurosciences, Medical University of South Carolina, Charlestown, SC 29464, USA.
4. National Institute on Drug Abuse, Bethesda, MD 20892, USA.
5. Mood and Anxiety Disorders Research Unit, National Institute of Mental Health, Bethesda, MD 20892, USA.
6. Translational Science, Eli Lilly and Company, Indianapolis, IN 46285, USA.
7. Department of Brain and Cognitive Sciences, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.
8. Neuroscience Pharma Research and Early Development, Central Nervous System, F. Hoffmann–La Roche Ltd., 4070 Basel, Switzerland.
9. Neuroscience Department, CNS Discovery, Pfizer Global Research and Development, Groton, CT 06340, USA.
10. Foundation for the National Institutes of Health Biomarkers Consortium, Bethesda, MD 20814, USA.
11. AstraZeneca Pharmaceuticals, Sodertalje R&D, SE-15185, Sodertalje, Sweden.