Dr. Toshiya Sakai
| Prefecture | Hokkaido Prefecture |
| Belonging | NHO Hokkaido Cancer Center https://hokkaido-cc.hosp.go.jp/about/index12-04.html |
| Specialized | haematology |
| Experienced | blood disease |
| Graduated University |
| Prefecture | Hokkaido Prefecture |
| Belonging | NHO Hokkaido Cancer Center https://hokkaido-cc.hosp.go.jp/about/index12-04.html |
| Specialized | haematology |
| Experienced | blood disease |
| Graduated University |