1. Ariadne Labs, Brigham and Women’s Hospital, Harvard T. H. Chan School of Public Health, Boston, Massachusetts
2. Department of Surgery, Massachusetts General Hospital, Boston
3. Montefiore Medical Center, Department of Surgery, Albert Einstein College of Medicine, Bronx, New York
4. Department of Biostatistics, Harvard T. H. Chan School of Public Health, Boston, Massachusetts
5. Department of Surgery, Brigham and Women’s Hospital, Boston, Massachusetts