1. School of Nursing, Shandong Second Medical University, Weifang, Shandong, China
2. Department of Pathology, Shandong Second Medical University, Weifang, Shandong, China
3. School of Pharmacy, Binzhou Medical College, Yantai, Shandong, China
4. Department of Outpatient, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Jinan, Shandong, China