1. Department of Hospitalist Medicine, Children's Medical Center Dallas, UT Southwestern Medical Center, 1935 Medical District Drive, Mailstop E3.09, Dallas, TX 75235, United States
2. Division of General Pediatrics and Adolescent Medicine, Sarah Adams, MD, University of North Carolina and NC Children's Hospital, Chapel Hill, NC, United States
3. Division of General Pediatrics and Adolescent Medicine, Julie Byerley, MD, University of North Carolina and NC Children's Hospital, Chapel Hill, NC, United States