1 Indiana University School of Medicine, Indianapolis, IN, USA. Electronic address: kreinack@iu.edu.
2 Regenstrief Institute, Inc, Indianapolis, IN, USA.
3 Indiana University School of Medicine, Indianapolis, IN, USA.
4 Indiana University School of Medicine, Indianapolis, IN, USA; Regenstrief Institute, Inc, Indianapolis, IN, USA.
5 Indiana University School of Medicine, Indianapolis, IN, USA; Regenstrief Institute, Inc, Indianapolis, IN, USA; Center for Health Information and Communication, US Department of Veterans Affairs, Veterans Health Administration, Health Services Research and Development Service CIN 13-416, Richard L. Roudebush VA Medical Center, Indianapolis, IN.