1. Buea Regional Hospital Buea Cameroon
2. Clinical Research Education Networking and Consultancy Douala Cameroon
3. Centre for Heart Rhythm Disorders University of Adelaide Adelaide SA Australia
4. Douala General Hospital Douala Cameroon
5. Faculty of Medicine and Biomedical Sciences University of Yaounde 1 Yaounde Cameroon
6. Faculty of Health Sciences University of Buea Buea Cameroon