1. Department of Stomatology, The 960th Hospital of People’ s Liberation Army of China (PLA), Jinan, People’s Republic of China.
2. School of Nursing, Weifang Medical University, Weifang, People’s Republic of China.
3. Department of Anesthesiology, The 960th Hospital of People’s Liberation Army of China (PLA), Jinan, People’s Republic of China.
4. School of Nursing, Shandong First Medical University, Tai’an, People’s Republic of China.
5. Graduate Training Base of Jinzhou Medical University, The 960th Hospital of People’s Liberation Army of China, Jinzhou, People’s Republic of China.