1. Department of Dermatology, Beth Israel Deaconess Medical Center, Boston, Massachusetts;
2. Department of Dermatology, Lahey Hospital & Medical Center, Burlington, Massachusetts
3. SkinCare Physicians, Chestnut Hill, Massachusetts
4. Department of Dermatology, Yale University School of Medicine, New Haven, Connecticut
5. Department of Dermatology, Harvard Medical School, Boston, Massachusetts
6. Harvard Medical School, Boston, Massachusetts