| Affiliation: | 1. Department of Radiology, Boston Medical Center, Boston University School of Medicine, One Boston Medical Center Place, Boston, MA 02118, USA;2. Research Center for Cooperative Projects, Hokkaido University Graduate School of Medicine, kita 15, nishi 7, kita-ku, Sapporo, Hokkaido 060-8638, Japan;3. Department of Radiology, Michigan Medicine, 1500 East Medical Center Drive B2-A209A, Ann Arbor, MI 48109, USA;4. Department of Radiation Oncology, Boston Medical Center, Boston University School of Medicine, One Boston Medical Center Place, Boston, MA 02118, USA;5. Department of Otolaryngology–Head and Neck Surgery, Boston Medical Center, Boston University School of Medicine, One Boston Medical Center Place, Boston, MA 02118, USA |
