1. From the Virginia Institute for Psychiatric and Behavioral Genetics, the Department of Psychiatry, and the Department of Human and Molecular Genetics, Virginia Commonwealth University, Richmond (Kendler); the Center for Primary Health Care Research, Lund University, Malmö, Sweden (Ohlsson, J. Sundquist, K. Sundquist); the Department of Family Medicine and Community Health, Department of Population Health Science and Policy, Icahn School of Medicine at Mount Sinai, New York (J. Sundquist, K. Sundquist);...