1. Department of Critical Care Medicine Shandong Provincial Hospital Cheeloo College of Medicine Shandong University Jinan Shandong China
2. Department of Anesthesiology and Perioperative Medicine Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA
3. Department of Anesthesiology Jiangsu Province Hospital The First Affiliated Hospital of Nanjing Medical University Nanjing China
4. Department of Anesthesiology Chongqing University Central Hospital Chongqing China
5. Department of Surgery Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA
6. Department of Anesthesiology and Critical Care Houston Methodist Hospital Houston Texas USA