Aug 26, 2015 | Thomas Welss, Claudia Hundeiker, Nicole Duschek, Wilfried Howorka, Jennifer Evening and Thomas Förster, Henkel Beauty Care, Düsseldorf, Germany
Jun 3, 2015 | Muhammad Hamza, University of California, San Francisco, and Dow University of Health Sciences, Karachi, Pakistan; and Howard I. Maibach, M.D., University of California, San Francisco
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