1. Department of Surgery, Yijishan Hospital, Wannan Medical College, Wuhu;
2. Department of Neurology, Huzhou Central Hospital, Huzhou;
3. Department of Respiratory Medicine, Nanjing Drum Tower Hospital, Nanjing University Medical School, Nanjing; and
4. Department of Oncology, The Second Affiliated Hospital of Suzhou University, Suzhou, China