1. Department of Anesthesiology, The Affiliated Hospital of Southwest Medical University, Luzhou, China
2. Department of Plastic Surgery, Sichuan Academy of Medical Sciences & Sichuan Provincial People’s Hospital, Chengdu, China
3. Department of Critical Care Medicine, The Affiliated Hospital of Southwest Medical University, Luzhou, China
4. Department of Cardiothoracic Surgery, People’s Hospital of Deyang city, Deyang, China