1. Chengdu Blood Center, Chengdu, China
2. Department of Medical Laboratory, West China Second University Hospital, Sichuan University, Chengdu, China
3. Key Laboratory of Obstetric & Gynecologic and Pediatric Diseases and Birth Defects of Ministry of Education, Sichuan University, Chengdu, China
4. Institute of Health Policy & Hospital Management, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, Chinese Academy of Sciences Sichuan Translational Medicine Research Hospital, Chengdu, China
5. School of Psychology and Public Health, La Trobe University, Bundoora, VIC, Australia
6. Institute of Health Policy & Hospital Management, Sichuan Academy of Medical Sciences & Sichuan Provincial People’s Hospital, University of Electronic Science and Technology of China, Chengdu, China