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Supported in part by a grant from Neutrogena Corporation to Dr Rigel.
Dr Russak has no conflicts of interest to declare. Dr Rigel has received honoraria from Neutrogena Corporation, Aveeno, and Beiersdorf. Dr Chen is an employee of Johnson & Johnson Consumer Companies, Inc. Dr Appa is an employee of the Neutrogena Corporation.
Reprints not available from the authors.