1. Departments ofDepartment of UrologyFukuoka University Chikushi HospitalChikusino Fukuoka Japan
2. Department of SurgeryFukuoka University Chikushi HospitalChikusino Fukuoka Japan
3. Department of Gastroenterology Fukuoka University Chikushi Hospital ChikusinoFukuokaJapan
4. Department of Urology Fukuoka University Fukuoka Fukuoka Japan