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*Department of Dermatology, Saint Louis University, St. Louis, Missouri Address correspondence and reprint requests to: Dee Anna Glaser, MD, Saint Louis University Department of Dermatology, 1755 S. Grand Blvd, Dermatology – Fourth Floor, St Louis, MO 63104, or e-mail: gla[email protected] The authors have indicated no significant interest with commercial supporters.
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Givan et al. (2010) studied this question.
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