Brian J.-F Wong, M.D., Ph.DDepartment of Otolaryngology Head and Neck Surgery,Department of Biomedical Engineering,Department of Surgery, andThe Beckman Laser Institute and Medical ClinicUniversity of California IrvineIrvine, CA, USAJustus Ilgner, M.D.,Department of Otorhinolaryngology, Plastic Head and Neck Surgery,RWTH Aachen University Hospital, Aachen, Germany