1. Janssen Pharma Kabushiki Kaisha, Health Economics, Chiyoda-ku, Japan;
2. Heinrich-Heine-Universitat Dusseldorf Wirtschaftswissenschaftliche Fakultat, Dusseldorf, Germany;
3. Janssen Japan – Oncology Development Dept. Clinical Science Division, Chiyoda-ku, Japan;
4. Janssen Pharma Kabushiki Kaisha, Prostate Cancer Group, Chiyoda-ku, Japan