1. Department of TeleHealth, School of Nursing & Public Health, College of Health Sciences, University of KwaZulu-Natal, Durban 4041, South Africa
2. Health Information Systems Program South Africa, Pretoria 0181, South Africa
3. African Centre for eHealth Excellence, Cape Town 7130, South Africa
4. Department of Community Health Sciences, Cumming School of Medicine, University of Calgary, Alberta, AB T2N 1N4, Canada