[1] Thomas Jefferson Univ, Dept Dermatol & Cutaneous Biol, Philadelphia, PA 19107 USA
[2] Laser & Skin Surg Ctr New York, New York, NY 10016 USA
[3] Maryland Dermatol Laser Skin & Vein Inst, Hunt Valley, MD USA
[4] Dermatol & Laser Surg Ctr, Houston, TX USA
[5] Univ Calif Irvine, Dept Dermatol, Irvine, CA 92717 USA