1. University of California Irvine School of Medicine, Irvine, California, USA
2. Department of Otolaryngology–Head and Neck Surgery, University of California Irvine Medical Center, Orange, California, USA
3. Department of Pathology, University of California Irvine Medical Center, Orange, California, USA
4. Department of Neurological Surgery, University of California Irvine Medical Center, Orange, California, USA
5. Division of Pediatric Otolaryngology, CHOC Children’s Hospital of Orange County, Orange, California, USA