1. Patient Support Center, Gunma Prefectural Cancer Center, Ota, Gunma
2. Department of Psycho-Oncology, Gunma Prefectural Cancer Center, Ota, Gunma
3. Division of Personalized Prevention and Epidemiology, Department of Preventive Medicine and Epidemiology, Tohoku Medical Megabank Organization, Tohoku University, Sendai, Miyagi
4. Department of Behavioral Medicine, Tohoku University Graduate School of Medicine, Sendai, Miyagi
5. Department of Urology, Gunma Prefectural Cancer Center, Ota, Gunma
6. Annaka Health and Welfare Office, Annaka, Gunma
7. Department of Urology, Gunma University Graduate School of Medicine, Maebashi, Gunma, Japan
8. Hematology-Oncology Division, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts, USA