1. Department of Nursing, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
2. Department of Qinggang Nursing Home, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
3. Department of Orthopaedic, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
4. Department of Urology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
5. Department of Intensive Care, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
6. Department of Nursing, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China,