1. Division of Pediatric Cardiology, Monroe Carell Jr. Children’s Hospital at Vanderbilt, Nashville, Tennessee;
2. Division of Pediatric Cardiology, C.S. Mott Children’s Hospital, University of Michigan, Ann Arbor, Michigan;
3. Division of Pediatric Cardiology, Children’s National Medical Center, Washington, District of Columbia;
4. Joint Clinical Research Centre, Kampala, Uganda;
5. Gulu University, Gulu, Uganda; and
6. Uganda Heart Institute, Kampala, Uganda