David J. Goldberg, MD, is Clinical Professor of Dermatology and Director, Laser Research and Mohs Surgery, Mount Sinai School of Medicine, New York, and Director, Skin Laser & Surgery Specialists of New York and New Jersey, Hackensack, New Jersey, USA. In addition to his previous texts on Laser Hair Removal and Ablative and Non-ablative Facial Skin Rejuvenation, Dr Goldberg is an editor of the Journal of Cosmetic and Laser Therapy.