1. Faculty of Health Sciences, University of Buea, Buea, Cameroon
2. Clinical Research Education, Networking and Consultancy, Douala, Cameroon
3. Faculty of Health Sciences, The University of Bamenda, Bamenda, Cameroon
4. Centre for Heart Rhythm Disorders, South Australian Health and Medical Research Institute, University of Adelaide and Royal Adelaide Hospital, Adelaide, Australia
5. Faculty of Medicine and Biomedical Sciences, University of Ngaoundere, Yaounde, Cameroon
6. Faculty of Medicine and Biomedical Sciences, University of Yaounde 1, Ngoa Ekélé, Cameroon