1. Frontiers Medical Center, Tianfu Jincheng Laboratory, Chengdu, Sichuan 610212, China
2. Department of Respiratory and Critical Care Medicine, Targeted Tracer Research and Development Laboratory, Institute of Respiratory Health, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, China
3. School of Information Engineering, Shanghai Maritime University, Shanghai 201306, China