1. Dept. of Physiology, Biological Engineering & Medical Information Engineering, Faculty of Health Sciences; Kyorin Univ; 476 Miyashita-cho Hachioji Tokyo 192-8508 Japan
2. Dept. of Radiation Safety Management, Faculty of Health Sciences; Kyorin Univ; 476 Miyashita-cho Hachioji Tokyo 192-8508 Japan
3. Dept. of Medical Radiological Technology, Faculty of Health Sciences; Kyorin Univ; 476 Miyashita-cho Hachioji Tokyo 192-8508 Japan
4. Dept. of Analytical Chemistry, Faculty of Health Sciences; Kyorin Univ; 476 Miyashita-cho Hachioji Tokyo 192-8508 Japan