1. Department
of Biomedical Engineering, Chonnam National University, Yeosu, Jeonnam 550-749, Republic of Korea
2. Department
of Nuclear Medicine, Molecular Imaging and Therapeutic Medicine Research
Center, Biomedical Research Institute for Medical Sciences, and Cyclotron
Research Center, Chonbuk National University Medical School and Hospital, Jeonju, Jeonbuk 561-712, Republic of Korea