Accepted for Publication: October 5, 2014.
Published Online: February 18, 2015. doi:10.1001/jamadermatol.2014.4298.
Study concept and design: Wataya-Kaneda, Tanaka, L. Yang, F. Yang, Tanemura.
Acquisition, analysis, or interpretation of data: Wataya-Kaneda, Tanaka, L. Yang, F. Yang, Tsuruta, Nakamura, Matsumoto, Hamasaki, Katayama.
Drafting of the manuscript: Wataya-Kaneda, Tanaka, Hamasaki, Tanemura.
Critical revision of the manuscript for important intellectual content: Wataya-Kaneda, L. Yang, F. Yang, Tsuruta, Nakamura, Matsumoto, Katayama.
Statistical analysis: Tanaka, L. Yang, F. Yang, Hamasaki.
Obtained funding: Wataya-Kaneda.
Administrative, technical, or material support: Wataya-Kaneda, L. Yang, F. Yang, Tsuruta, Nakamura, Matsumoto, Tanemura.
Study supervision: Wataya-Kaneda, Tanemura, Katayama.
Conflict of Interest Disclosures: None reported.
Funding/Support: This study was supported by a grant from the Ministry of Education, Culture, Sports, Science and Technology of Japan and by a grant from the Ministry of Health, Labor and Welfare of Japan.
Role of the Funder/Sponsor: The funding sources 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.