1. Department of Analytical and Bioinorganic Chemistry, Division of Analytical and Physical Sciences, Kyoto Pharmaceutical University, 5 Nakauchi-cho, Misasagi, Yamashina-ku, Kyoto 607-8414, Japan
2. Department of Radiological Technology, Faculty of Medicinal Science, Kyoto College of Medical Science, 1-3 Imakita, Oyama-higashi, Sonobe, Nantan, Kyoto 622-0022, Japan
3. Center for Instrumental Analysis, Kyoto Pharmaceutical University, 1 Shichono-cho, Misasagi, Yamashina-ku, Kyoto 607-8412, Japan
4. Radioisotope Research Center, Kyoto Pharmaceutical University, 1 Shichono-cho,
Misasagi, Yamashina-ku, Kyoto 607-8412, Japan