1. Department of Internal Medicine, University of Iowa Hospitals and Clinics and The Roy J. and Lucille A. Carver College of Medicine, University of Iowa, Iowa City, IA, USA
2. Section of General Internal Medicine, Department of Medicine, Lewis Katz School of Medicine, Temple University, Philadelphia, PA, USA
3. Cerner Corporation, Kansas City, MO, USA
4. Division of HIV/AIDS Prevention, Centers for Disease Control and Prevention, Atlanta, GA, USA