Seiko Hamada1, Nobuaki Shime2,3. 1. National Hospital Organization Kyoto Medical Center, Kyoto, Japan. 2. National Hospital Organization Kyoto Medical Center, Kyoto, Japan. shime@koto.kpu-m.ac.jp. 3. Hiroshima University, Hiroshima, Japan. shime@koto.kpu-m.ac.jp.