1. Department of Cardiac Surgery, Boston Children's Hospital/Harvard Medical School, Boston, Massachusetts, United States
2. Department of Cardiothoracic Surgery, University Hospital of Coimbra, Coimbra, Portugal
3. Department of Cardiothoracic Surgery, National Cardiothoracic Centre, Accra, Ghana
4. Department of Pediatric Cardiology, University of Nairobi and Mater Hospital, Nairobi, Kenya
5. Department of Management of Noncommunicable Diseases, World Health Organization, Geneva, Switzerland
6. Department of Cardiac Surgery, Clinique Internationale Hannibal, Tunis, Tunisia
7. Department of Pediatric Cardiac Surgery, International Operation Centre for Children, Asmara, Eritrea
8. Department of Cardiac Surgery, Brigham and Women's Hospital, Boston, United States
9. Department of Thoracic and Cardiovascular Surgery, Deutsches Herzzentrum Berlin, Berlin, Germany