1. Beckman Laser Institute & Medical Clinic, University of California–Irvine, Irvine, CA, USA
2. Department of Biomedical Engineering, University of California–Irvine, Irvine, CA, USA
3. School of Medicine, University of California–Irvine, Irvine, CA, USA
4. Beckman Laser Institute-Korea, Department of Biomedical Engineering, Dankook University, Cheonan-si, Chungnam, Republic of Korea
5. Department of Chemistry, Occidental College, Los Angeles, CA, USA
6. Department of Otolaryngology–Head and Neck Surgery, University of California–Irvine, School of Medicine, Orange, CA, USA