1. Department of Biomedical Informatics, University of Utah, Salt Lake City, Utah, USA
2. Biomedical Informatics Center, Medical University of South Carolina, Charleston, South Carolina, USA
3. Department of Internal Medicine, Medical University of South Carolina, Charleston, South Carolina, USA
4. Homer Warner Center, Intermountain Healthcare, Salt Lake City, Utah, USA
5. Department of Internal Medicine, University of Utah School of Medicine, Salt Lake City, Utah, USA