1. Division of Cardiology, Department of Medicine
2. Duke Clinical Research Institute
3. Division of Pediatric Cardiology, Department of Pediatrics
4. Duke Molecular Physiology Institute, Duke University School of Medicine, Durham, North Carolina, USA
5. Department of Children Health and Paediatrics, Moi University College of Health Science
6. Academic Model Providing Access to Healthcare, Eldoret, Kenya
7. Duke Global Health Institute, Durham, North Carolina, USA.