1. Department of Clinical Oncology; Kyoto Pharmaceutical University; Misasagi-Nakauchicho 5, Yamashina-ku Kyoto 607-8414 Japan
2. Peptide Institute Inc.; 7-2-9 Saito-Asagi Ibaraki-shi Osaka 567-0085 Japan
3. Faculty of Pharmaceutical Sciences; Cooperative Research Center of Life Sciences; Kobe Gakuin University; 1-1-3 Minatojima, Chuo-ku Kobe 650-8586 Japan
4. Present address: GlyTech Inc.; 134 Chudoji Minamimachi, KRP #1-109, Shimogyo-ku Kyoto 600-8813 Japan
5. Graduate School of Biomedical Sciences; Nagasaki University; 1-7-1 Sakamoto Nagasaki 852-8588 Japan
6. Department of Urology; Shiga University of Medical Science, Seta Tsukinowa-cho; Otsu Shiga 520-2192 Japan