1. Department of Respiratory and Critical Care Medicine, The Affiliated People’s Hospital of Ningbo University, Ningbo 315400, China
2. Department of Oncology Radiation, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai 200433, China
3. Dongying People’s Hospital (Dongying Hospital of Shandong Provincial Hospital Group), Dongying, Shandong 257091, China