1. Department of Surgery, University of Health and Allied Sciences, Ho, Ghana
2. National Cardiothoracic Centre, Korle Bu Teaching Hospital, Accra, Ghana
3. Mansoura University Children’s Hospital, Mansoura, Egypt
4. Cardiology Department, Hedi Chaker Hospital, Sfax, Tunisia
5. Department of Cardiothoracic Surgery, University of Kwa-Zulu Natal, Durban, South Africa
6. Lenmed Ethekwini Hospital and Heart Centre, Durban, South Africa
7. School of Medicine and Dentistry, University of Ghana, Accra, Ghana
8. Christiaan Barnard Memorial Hospital, Cape Town, South Africa