1. Department of Nuclear medicine, National Cancer Center/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China.
2. Department of Oncology, Shandong Provincial Hospital Affiliated with Shandong University, Jinan, China.
3. Department of Oncology, First Affiliated Hospital of Medical School of Xi'an Jiaotong University, Xi'an, China.
4. Department of Oncology, First Affiliated Hospital of Zhengzhou University, Zhengzhou, China.
5. Department of Forensic Medicine, Medical School of Xi'an Jiaotong University, Xi'an, China.