1. Department of Otolaryngology – Head and Neck Surgery University of California Irvine Medical Center Orange California USA
2. Department of Pathology and Laboratory Medicine University of California Irvine Medical Center Orange California USA
3. Department of Medicine, Division of Hematology and Oncology University of California Irvine Medical Center Orange California USA
4. Department of Neurological Surgery University of California Irvine Medical Center Orange California USA