1 Department of Epidemiology, Harvard TH Chan School of Public Health, Boston, MA, USA; Department of Psychiatry, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA.
2 Department of Epidemiology, Harvard TH Chan School of Public Health, Boston, MA, USA.
3 Department of Epidemiology, Harvard TH Chan School of Public Health, Boston, MA, USA; Department of Medicine, MedStar Union Memorial Hospital, Baltimore, MD, USA.
4 Department of Epidemiology, Harvard TH Chan School of Public Health, Boston, MA, USA; Department of Neurology, Boston Children's Hospital, Boston, MA, USA.
5 Department of Epidemiology, Harvard TH Chan School of Public Health, Boston, MA, USA; Icahn School of Medicine at Mount Sinai, NY, USA.
6 Department of Epidemiology, Harvard TH Chan School of Public Health, Boston, MA, USA; Division of Cardiovascular Medicine, Department of Medicine, Beth, Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA. Electronic address: mmittlem@hsph.harvard.edu.