Jinan Miltary General Hospital, Shandong Province, China;
People's Hospital of Zhangqiu, Shandong Province, China;
People's Hospital of Zhangqiu, Shandong Province, China;
People's Hospital of Zhangqiu, Shandong Province, China;
Jinan Miltary General Hospital, Shandong Province, China;
Jinan Miltary General Hospital, Shandong Province, China;
Jinan Miltary General Hospital, Shandong Province, China;