1. Laboratory of Chongqing Hechuan Maternal and Child Health Hospital, Hechuan District, Chongqing 401520, China
2. Chongqing Yongchuan District Hospital of Traditional Chinese Medicine Laboratory, No. 2, Yingbin Avenue, Yongchuan District, Chongqing 402160, China
3. School of Information Management, Chongqing Medical University, Chongqing 400016, China
4. Chongqing Red Cross Hospital (Jiangbei District People’s Hospital), No. 1, Jialing Village 1, Huaxin Street, Jiangbei District, Chongqing 400020, China