1 Department of Health Policy and Management, Rollins School of Public Health at Emory University, Atlanta, Georgia; Department of Surgery, Emory University School of Medicine, Atlanta, Georgia. Electronic address: kdrewry@iu.edu.
2 Department of Health Policy and Management, Rollins School of Public Health at Emory University, Atlanta, Georgia.
3 Department of Surgery, Emory University School of Medicine, Atlanta, Georgia; Department of Epidemiology, Rollins School of Public Health at Emory University, Atlanta, Georgia; Department of General Internal Medicine, Emory University School of Medicine, Atlanta, Georgia; Regenstrief Institute, Indianapolis, Indiana.
4 Department of Surgery, Indiana University School of Medicine, Indianapolis, Indiana.