1. Department of Otolaryngology-Head and Neck Surgery; Ludwig Maximilian University of Munich; Munich Germany
2. Department of Biomedical Engineering; University of California, Irvine; Orange California U.S.A
3. Beckman Laser Institute; University of California, Irvine; Orange California U.S.A
4. Department of Otolaryngology-Head and Neck Surgery; University of California, Irvine; Orange California U.S.A