1. AR Knowlton (corresponding author): Department of Health, Behavior and Society, Johns Hopkins Bloomberg School of Public Health. 624 North Broadway, Room 745, Baltimore, Maryland, USA21205
2. TQ Nguyen: Department of Mental Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA
3. AC Robinson: Center for Surgery and Public Health, Department of Surgery, Brigham and Women's Hospital, Boston, Massachusetts, USA; Harvard T.H. Chan School of Public Health, Harvard Medical School, Boston, Massachusetts, USA
4. PT Harrell: Moffitt Cancer Center, Tampa, Florida, USA
5. MM Mitchell: Department of Health, Behavior and Society, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA