1. School of Nursing, Shanxi Medical University, Taiyuan, China;
2. Department of Otolaryngology, Head & Neck Surgery, The First Hospital, Shanxi Medical University, Taiyuan, China;
3. Department of Health Statistics, School of Public Health, Shanxi Medical University, Taiyuan, China;
4. School of Data Sciences, Zhejiang University of Finance and Economics, Hangzhou, China;
5. Department of Applied Finance and Actuarial Studies, Macquarie University, Sydney, Australia