Accepted for Publication: February 27, 2014.
Published Online: May 28, 2014. doi:10.1001/jamadermatol.2014.504.
Study concept and design: Castela, Lacour, Passeron.
Acquisition, analysis, or interpretation of data: Castela, Le Duff, Butori, Ticchioni, Hofman, Bahadoran, Passeron.
Drafting of the manuscript: Castela, Passeron.
Critical revision of the manuscript for important intellectual content: All authors.
Statistical analysis: Castela, Ticchioni.
Obtained funding: Castela.
Administrative, technical, or material support: Le Duff, Ticchioni, Bahadoran, Lacour.
Study supervision: Butori, Lacour, Passeron.
Conflict of Interest Disclosures: None reported.
Funding/Support: This study was performed with grant support from Laboratoires Phytosolba, Association Alopecia Areata, and Association Bien Vivre la Pelade.
Role of the Sponsors: The sponsors 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 decision to submit the manuscript for publication.
Previous Presentation: The abstract of an earlier version of this article was presented as a poster at the 2013 Annual Meeting of the French Society of Dermatology; December 11-14, 2013; Paris, France.