1 Department of Thoracic Surgery, West China (Airport) Hospital Sichuan University, Chendu, Sichuan Province, PR China.
2 Department of Neurology, Chengdu Seventh People's Hospital, Chendu, Sichuan Province, PR China.
3 Department of Thoracic Surgery, West China (Airport) Hospital Sichuan University, Chendu, Sichuan Province, PR China. Electronic address: 993092572@qq.com.