1. Department of Otolaryngology–Head and Neck Surgery, Wayne State University School of Medicine, Karmanos Cancer Institute, Detroit, Michigan
2. Karmanos Cancer Institute, Department of Oncology, Wayne State University School of Medicine, Detroit, Michigan
3. Division of Hematology and Oncology, University of California Irvine School of Medicine, Orange
4. Division of Neurology, Department of Internal Medicine, St Marianna University School of Medicine, Kawasaki, Kanagawa, Japan