[1
]Ariadne Labs at Brigham and Women’s Hospital and the Harvard T.H. Chan School of Public
Health, Boston, Massachusetts2Massachusetts General Hospital, Department of Surgery,
Boston
[2
]Stanford University, Department of Surgery, Stanford, California
[3
]Ariadne Labs at Brigham and Women’s Hospital and the Harvard T.H. Chan School of Public
Health, Boston, Massachusetts4Center for Surgery and Public Health, Brigham and Women’s
Hospital, Boston, Massachusetts
[4
]Stanford University School of Medicine, Stanford, California
[5
]Ariadne Labs at Brigham and Women’s Hospital and the Harvard T.H. Chan School of Public
Health, Boston, Massachusetts6Beth Israel Deaconess Medical Center, Department of
Obstetrics and Gynecology, Boston, Massachusetts
[6
]Ariadne Labs at Brigham and Women’s Hospital and the Harvard T.H. Chan School of Public
Health, Boston, Massachusetts