- Correspondence to Dr Mathilde Boulanger, Service de santé au travail et pathologie professionnelle, CHU de Caen, Avenue de la Côte de Nacre, Caen 14033, Cedex, France;
- Received February 4, 2015
- Revised July 10, 2015
- Accepted August 5, 2015
- First published August 24, 2015.
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