1. Department of Social Medicine and Health Management, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
2. School of Public Health, Wuhan University, Wuhan, China
3. School of Public Health, Zhengzhou University, Zhengzhou, China
4. Longgang District Health Bureau, Longgang Health Education and Promotion Center, Shenzhen, China