1 Department of Critical Care Medicine, West China School of Medicine and West China Hospital, Sichuan University, No. 37 Guoxue Alley, Chengdu, 610041, China.
2 Department of Critical Care Medicine, West China School of Medicine and West China Hospital, Sichuan University, No. 37 Guoxue Alley, Chengdu, 610041, China. Kangyan_5626@hotmail.com.
3 Dipartimento di Scienze della Salute, Università degli Studi di Milano, Milan, Italy.
4 SC Anestesia e Rianimazione, ASST Santi Paolo e Carlo, Milan, Italy.
5 Department of Anesthesiology, Emergency and Intensive Care Medicine, University of Göttingen, Göttingen, Germany.