- Correspondence to Dr Camille Aupiais, Unité d'Epidémiologie clinique, Hôpital Robert Debré (APHP), 48 boulevard Sérurier, Paris 75935, Cedex 19, France;
- Received January 28, 2016
- Revised July 12, 2016
- Accepted September 3, 2016
- First published September 21, 2016.
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