1. Department of Cardiovascular Medicine, Children’s Hospital of Chongqing Medical University, Chongqing, China
2. Department of Palliative Medicine, Chongqing University Cancer Hospital, Chongqing, China
3. Department of Cardiology, the Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
4. Department of Critical Care Medicine, University-Town Hospital of Chongqing Medical University, Chongqing, China