1. Department of Conflict Resolution, Human Security & Global Governance, McCormack Graduate School of Policy and Global Studies, University of Massachusetts Boston, Boston, MA, USA
2. Department of Nursing, College of Nursing and Health Sciences, University of Massachusetts Boston, Boston, MA, USA
3. Wits Reproductive Health and HIV Institute, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
4. Health Economics and HIV and AIDS Research Division, University of KwaZulu-Natal, Durban, South Africa
5. Division of Social Medicine and Global Health, Lund University, Lund, Sweden