Published Online: May 13, 2015. doi:10.1001/jamadermatol.2015.0577.
Conflict of Interest Disclosures: None reported.
Funding/Support: This study was partially funded by a research grant from the French Society of Dermatology.
Role of the Funder/Sponsor: The French Society of Dermatology had no role in the design and conduct of the study; collection, management, analysis, and interpretation of the data; preparation, review, or approval of the manuscript; and the decision to submit the manuscript for publication.
Additional Contributions: We thank the staff at the dermatology department at Avicenne Hospital, Bobigny, France.