Published Online: March 23, 2015. doi:10.1001/jamadermatol.2014.4728.
Study concept and design: Helfrich, Fisher, Sachs, Varani, Voorhees.
Acquisition, analysis, or interpretation of data: Helfrich, Maier, Cui, Fisher, Chubb, Fligiel, Voorhees.
Drafting of the manuscript: Helfrich, Cui.
Critical revision of the manuscript for important intellectual content: Helfrich, Maier, Fisher, Chubb, Fligiel, Sachs, Varani, Voorhees.
Statistical analysis: Chubb.
Obtained funding: Helfrich.
Administrative, technical, or material support: Helfrich, Fisher.
Study supervision: Helfrich.
Conflict of Interest Disclosures: Dr Helfrich served as a consultant to Galderma. Dr Maier was the principal investigator for work supported by a grant from Valeant Pharmaceuticals and receives royalties from UpToDate.
Funding/Support: This study was supported in part by the Dermatology Foundation (Dr Helfrich), National Rosacea Society (Dr Helfrich), and the University of Michigan Department of Dermatology.
Role of the Funder/Sponsor: The funding institutions 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: This research was presented at the Annual Meeting of the American Academy of Dermatology; March 23, 2015; San Francisco, California.
Additional Contributions: Craig Hammerberg, PhD, assisted with immunostaining. Kathryn Keeley, BS, Jennifer Bell, BA, and Harrold Carter, BS, assisted with data collection and photography. Laura Vangoor, BFA, assisted with figures and tables. Jackie Giletto, BA, helped edit for grammar and language flow. No contributor received compensation for their work on this article beyond that provided in the normal course of their employment.