1. Independent Researcher, Munster, Ireland
2. Trinity College Dublin, Dublin, Ireland
3. Department of Obstetrics and Gynaecology, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
4. National Statistics Office, Valletta, Malta
5. Academic Department of Paediatrics, Medical School, Mater Dei Hospital, Msida, Malta
6. Division of Medical Oncology, Department of Medicine, School of Clinical Medicine, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
7. Noncommunicable Diseases Research Division, Wits Health Consortium (PTY) Ltd, Johannesburg, South Africa
8. Department of Epidemiology and Prevention, Center for Clinical Sciences, National Center for Global Health and Medicine, Tokyo, Japan