1. The affiliated first Hospital Jiamusi University, Jiamusi, China
2. Weifang Center for Disease Control and Prevention, Shandong Province, China
3. College of Basic Medicine, Jiamusi University, Jiamusi, China
4. College of Basic Medicine, 2015 Grade, Clinic Medicine, Jiamusi University, Jiamusi, China
5. College of Public Health, Jiamusi University, Jiamusi, China