1. Department of Nursing, College of Medicine and Health Science, Wuhan Polytechnic University, Wuhan, People’s Republic of China
2. Nursing Department, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People’s Republic of China
3. Department of Information Management Science, School of Information Management, Nanjing University, Nanjing, People’s Republic of China
4. Department of Geriatrics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People’s Republic of China