- Correspondence to Dr Nathalie Lydié, Sexual Health Unit, Santé publique France, 42 boulevard de la libération, Saint-Maurice, Cedex 93203, France;
- Received December 30, 2015
- Revised August 8, 2016
- Accepted September 3, 2016
- First published March 3, 2017.
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.