Masashi Yokose1, Yukinori Harada1, Taro Shimizu2. 1. Department of Diagnostic and Generalist Medicine, Dokkyo Medical University Hospital, Kitakobayashi, Mibu, Shimotsuga, Tochigi, Japan. 2. Department of Diagnostic and Generalist Medicine, Dokkyo Medical University Hospital, Kitakobayashi, Mibu, Shimotsuga, Tochigi, Japan. Electronic address: shimizutaro7@gmail.com.