Affiliation: | 1. Department of Otolaryngology–Head & Neck Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan;2. Department of Gastroenterology and Hepatology, Graduate School of Medicine, Kyoto University, Kyoto, Japan;3. Department of Clinical oncology, Graduate School of Medicine, Kyoto University, Kyoto, Japan;4. King ChulalongKorn Memorial Hospital, Thailand;5. Department of Biomedical Statistics and Bioinformatics, Graduate School of Medicine, Kyoto University, Kyoto, Japan |