1. Institute of Biomedical Research; Sapporo Higashi Tokushukai Hospital; Hokkaido Japan
2. Department of Medicine; Asahikawa Medical University; Japan
3. Department of Clinical Research; Chiba Tokushukai Hospital; Japan
4. Center for Clinical and Translational Science; Shonan Kamakura General Hospital; Kanagawa Japan
5. Bio-Rad Laboratories Co., Ltd.; Tokyo Japan