1. Department of Oncology; Taipei Veterans General Hospital; No. 201, Section 2, Shih-Pai Road Taipei 11217 Taiwan China
2. School of Medicine; National Yang Ming University; Taipei 11217 Taiwan China
3. Institute of Nuclear Engineering and Science; National Tsing Hua University; Hsin-Chu Taiwan China
4. Nuclear Science and Technology Development Center; National Tsing Hua University; Hsin-Chu Taiwan China