1. Beckman Laser Institute, Irvine (Drs Kelly, Choi, Jung, Khan, Ramirez-San-Juan, and Nelson), and Departments of Dermatology (Drs Kelly, McFarlane, and Nelson), Pediatrics (Dr Motosue), and Biomedical Engineering (Dr Nelson), University of California–Irvine; Department of Biomedical Engineering, Yonsei University, Seoul, South Korea (Dr Jung); and Department of Optics, Instituto Nacional de Astrofisica, Optica y Electronica, Puebla, Mexico (Dr Ramirez-San-Juan).