- Correspondence to Professor Marc Labetoulle, Service d'Ophtalmologie, Hôpital Bicêtre, APHP, Université Paris Sud. 94275 Le Kremlin-Bicêtre, France;
- Received August 5, 2015
- Revised September 24, 2015
- Accepted October 10, 2015
- First published November 3, 2015.
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- Data supplement 1 - Online appendix
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