1. School of Nursing and Midwifery, Faculty of Health, University of Technology Sydney, Australia
2. Division of Epidemiology and Biostatistics, School of Public Health and Family Medicine, University of Cape Town, Cape Town, South Africa
3. Centre for Infectious Disease Epidemiology and Research, School of Public Health and Family Medicine, University of Cape Town, Cape Town, South Africa
4. Paramedics Department, Prince AL Hussein Bin Abdullah II Academy of Civil Protection, Jordan
5. Kabompo District Health Office, Kabompo, Zambia
6. School of Public Health. Faculty of Health, University of Technology Sydney, Australia