1 Ukwanda Centre for Rural Health, Department of Global Health, Faculty of Medicine and Health Sciences, Stellenbosch University, South Africa icouper@sun.ac.za.
2 Riverland Academy of Clinical Excellence, Riverland Mallee Coorong Local Health Network, PO Box 346, Murray Bridge, SA 5253, Australia; Prideaux Centre for Research in Health Professions Education, Flinders University, GPO Box 2100, Adelaide , SA 5001, Australia; and Ukwanda Centre for Rural Health, Faculty of Medicine and Health Sciences, Stellenbosch University, South Africa paul.worley@sa.gov.au.