1. Center for Health Information and Communication, Department of Veterans Affairs, Veterans Health Administration, Health Services Research and Development Service CIN 13-416, Richard L. Roudebush VA Medical Center, Indianapolis, IN, USA
2. Regenstrief Institute, Inc., Indianapolis, IN, USA
3. Indiana University School of Informatics and Computing, Richmond, IN, USA
4. Indiana University School of Medicine, Indianapolis, IN, USA
5. College of Pharmacy, Purdue University, West Lafayette, IN, USA