Kanazawa University (JP), Nihon University (JP), Kagoshima University (JP), University of Fukui (JP), Hiroshima University (JP), SHOWA Medical University (JP), Kansai Medical University (JP), Fukushima Medical University (JP), Kyushu University (JP), Sapporo Medical University (JP), University of Tsukuba (JP), Jichi Medical University (JP), Chiba University (JP), Yamaguchi University (JP), Mie University (JP), Oita University (JP), Kawasaki Medical School (JP), Tohoku University (JP), Keio University (JP), Osaka City University (JP), Nagoya City University (JP), Okayama University Hospital (JP), Gifu University Hospital (JP), Keio University Hospital (JP), Kyoto University Hospital (JP), Jichi Medical University Hospital (JP), Oita University Hospital (JP), University of Toyama (JP), Osaka Metropolitan University (JP), Tottori University (JP), Nagoya University (JP), Kitasato University (JP), Kobe University (JP), The University of Tokyo (JP), Dokkyo Medical University (JP), International University of Health and Welfare (JP), Tokushima University (JP), The University of Osaka (JP)