1. School of Nursing and Rehabilitation, Shandong University, Jinan, Shandong Province, China
2. The First Hospital of Quanzhou, Quanzhou, Fujian Province, China
3. School of Health Care Management of Shandong University, Jinan, Shandong Province, China
4. Shandong Province Qianfoshan Hospital, Jinan, Shandong Province, China