1. Faculty of MedicineUniversity of Botswana, Gaborone, Botswana
2. Division of Family Medicine and Primary CareStellenbosch University, Stellenbosch, South Africa
3. Unit Ethnomedicine and International HealthDepartment of General Practice and Family Medicine, Centre of Public Health, Medical University of Vienna, Vienna, Austria
4. School of NursingUniversity of Botswana, Gaborone, Botswana