1 Harvard Medical School, Department of Medicine, Boston, MA, United States.
2 Brown Alpert Medical School, Department of Family Medicine, Providence, RI, United States.
3 Harvard Medical School, Department of Medicine, Boston, MA, United States; Brigham and Women's Hospital, Department of Medicine, Division of General Internal Medicine, Boston, MA, United States. Electronic address: Lisa_Rotenstein@hms.harvard.edu.