1Statistical Genomics and Data Analysis Core, National Institute of Mental Health, National Institutes of Health, Bethesda, MD USA
2Department of Psychiatry and Behavioral Sciences, University of Texas Health Science Center at Houston, Houston, TX USA
3Menninger Department of Psychiatry and Behavioral Sciences, Baylor College of Medicine, Houston, TX USA
4Departments of Psychiatry and Neuroscience, Icahn School of Medicine at Mount Sinai, New York, NY USA
5Columbia University Medical Center/New York State Psychiatric Institute, New York, NY USA
6Department of Psychiatry, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA USA
7Experimental Therapeutics and Pathophysiology Branch, National Institute of Mental Health, National Institutes of Health, Bethesda, MD USA
8Human Genetics Branch, National Institute of Mental Health, National Institutes of Health, Bethesda, MD USA
9Section on PET Neuroimaging Sciences, National Institute of Mental Health, National Institutes of Health, Bethesda, MD USA
10Genetic Epidemiology Branch, National Institute of Mental Health, National Institutes of Health, Bethesda, MD USA
11Janssen Pharmaceuticals, Neuroscience Research and Development, La Jolla, CA USA
12Departments of Psychiatry and Radiology, College of Physicians and Surgeons, Columbia University, New York State Psychiatric Institute, New York, NY USA
© The Author(s) 2019
Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.