1. Cyclotron Research Center, Iwate Medical University Tomegamori, 020–01 Takizawa, Japan
2. Department of Public Health and Hygiene School of Medicine, Iwate Medical University Uchimaru, 020 Morioka, Japan
3. Nishina Memorial Cyclotron Center, Japan Radioisotope Association Tomegamori, 020–01 Takizawa, Japan
4. Cyclotron Radioisotope Center, Tohoku University Aramaki, aoba, 980 Sendai, Japan