1. Department of Head and Neck Surgery David Geffen School of Medicine at University of California Los Angeles California USA
2. Office of Academic Research and Computing University of California Los Angeles California USA
3. Department of Otolaryngology ‐ Head and Neck Surgery Rutgers Robert Wood Johnson Medical School New Brunswick New Jersey USA
4. Department of Anesthesiology David Geffen School of Medicine at University of California, Los Angeles Los Angeles California USA