1. School of Medicine Hokkaido University Sapporo Hokkaido Japan
2. Department of Breast Surgery Jyoban Hospital of Tokiwa Foundation Iwaki Fukushima Japan
3. Department of Breast Surgery Sano Kosei General Hospital Sano Tochigi Japan
4. Department of Surgery Jyoban Hospital of Tokiwa Foundation Iwaki Fukushima Japan
5. Department of Radiation Health Management Fukushima Medical University School of Medicine Iwaki Fukushima Japan
6. Department of Internal Medicine Jyoban Hospital of Tokiwa Foundation Iwaki Fukushima Japan