1 Shantou University Medical College, Shantou 515041, China.
2 Department of Emergency, Department of Neurosurgery, The First Affiliated Hospital of Shaoyang University, Shaoyang 105471, Hunan Province, China.
3 Department of Thoracic Surgery, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China. Electronic address: yh_19971028@163.com.