Accepted for Publication: September 7, 2013.
Published Online: January 15, 2014. doi:10.1001/jamadermatol.2013.8175.
Study concept and design: Rahbar, Daneshpazhooh, Mirshams-Shahshahani, Esmaili.
Acquisition of data: Rahbar, Aghazadeh, Hejazi, Chams-Davatchi.
Analysis and interpretation of data: Rahbar, Daneshpazhooh, Heidari, Ghajarzadeh.
Drafting of the manuscript: Rahbar, Heidari, Ghajarzadeh.
Critical revision of the manuscript for important intellectual content: Rahbar, Daneshpazhooh, Mirshams-Shahshahani, Esmaili, Heidari, Aghazadeh, Hejazi, Chams-Davatchi.
Statistical analysis: Rahbar, Heidari, Ghajarzadeh.
Obtained funding: Rahbar, Daneshpazhooh, Chams-Davatchi.
Administrative, technical, or material support: Daneshpazhooh, Mirshams-Shahshahani, Esmaili, Aghazadeh, Hejazi.
Study supervision: Daneshpazhooh.
Conflict of Interest Disclosures: None reported.
Funding/Support: This study was supported by research grant 91-03-101-19111 from the Deputy of Research, Tehran University of Medical Sciences, Tehran, Iran (Drs Rahbar, Daneshpazhooh, and Chams-Davatchi).
Role of the Sponsor: The funding source had no role in the design and conduct of the study; collection, management, analysis, or interpretation of the data; or preparation, review, or approval of the manuscript; and decision to submit the manuscript for publication.
Additional Contributions: Victorial P. Werth, MD, inspired the idea of this study during the International Pemphigus and Pemphigoid Foundation Meeting, 2010. We thank Fereydoun Davatchi, MD, from Rheumatology Research Centre of Tehran University of Medical Sciences for his valuable insights.