1. Department of Dermatology, Thomas Jefferson University, Philadelphia, PA, USA;
2. Department of Dermatology, Eberhard Karls University, Tübingen, Germany;
3. University of Western Ontario, London, Ontario and Windsor Clinical Research Inc, Windsor, Ontario, Canada;
4. Division of Dermatology, Forefront Dermatology, University of Louisville, KY, USA;
5. Galderma R&D, Sophia Antipolis, France;
6. Galderma International, Paris, France