1. Shandong Provincial Maternal and Child Health Care Hospital Affiliated to Qingdao University
2. Shandong Provincial Hospital Affiliated to Shandong First Medical University
3. Qilu Hospital of Shandong University
4. Yantai Yuhuangding Hospital
5. Jinan Maternity and Child Healthcare Hospital
6. The Affiliated Taian City Central Hospital of Qingdao University
7. The First Affiliated Hospital of Shandong First Medical University
8. Liaocheng People's Hospital
9. Linyi People's Hospital
10. The third hospital of Baogang Group
11. Women and Children’s Healthcare Hospital of Linyi
12. Weifang Maternity and Child Care Hospital
13. Hebei Petro China Central Hospital
14. Shengli Olifield Central Hospital