1. Department of Research and Training, Jakaya Kikwete Cardiac Institute, Dar es Salaam, Tanzania
2. Department of Cardiology, Jakaya Kikwete Cardiac Institute, Dar es Salaam, Tanzania
3. Department of Clinical Support Services, Jakaya Kikwete Cardiac Institute, Dar es Salaam, Tanzania
4. Department of Nursing, Jakaya Kikwete Cardiac Institute, Dar es Salaam, Tanzania