1. Interventional Medical Center, The Affiliated Hospital of Qingdao University, Qingdao, China.
2. Department of Radiology, The Affiliated Hospital of Qingdao University, Qingdao, China.
3. Dermatology Department, Qing Dao No. 6 People's Hospital, Qingdao, China.
4. Department of Tumor Radiotherapy, The Affiliated Hospital of Qingdao University, Qingdao, China.