1. Department of Nursing, Jin Zhou Medical University, Jinzhou City, China
2. Department of Nursing, Shan Xi Medical University, Taiyuan City, China
3. Department of Pharmacy, Jin Zhou Medical University, Jinzhou City, China
4. Department of Psychiatry, First Hospital of Shanxi Medical University, Taiyuan City, China
5. Department of Nursing, Shan Xi Medical University, Taiyuan City, China.