- 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 in print 1 April 2017.
- Published online 20 March 2017.
- Published first 21 September 2016.
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