- Correspondence to Dr Gaëlle Coureau, Université Bordeaux Segalen, ISPED, Equipe Santé Travail Environnement, 146 rue Léo Saignat, 33076 Bordeaux, Cedex, France;
- Received July 23, 2013
- Revised April 7, 2014
- Accepted April 15, 2014
- First published May 9, 2014.
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