- Correspondence to Dr Camille Aupiais, Unité d'Epidémiologie clinique, Hôpital Robert Debré (APHP), 48 boulevard Sérurier, Paris 75935, Cedex 19, France;
- Received 28 January 2016
- Revised 12 July 2016
- Accepted 3 September 2016
- Published online 20 March 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.