- Correspondence to Dr Vicky Jespers, HIV and Sexual Health Group, Department of Public Health, Institute of Tropical Medicine, Antwerp 2000, Belgium;
- Received January 6, 2016
- Accepted January 24, 2016
- First published February 16, 2016.
If you wish to reuse any or all of this article please use the link below which will take you to the Copyright Clearance Center’s RightsLink service. You will be able to get a quick price and instant permission to reuse the content in many different ways.