1. Gynecology, Shandong Provincial Maternal and Child Health Care
Hospital, Jinan, China
2. School of Public Health and Health Management, Shandong First Medical
University & Shandong Academy of Medical Sciences, Jinan,
China
3. Shandong Provincial Maternal and Child Health Care Hospital, Shandong,
Jinan, China
4. Oncology, Shandong Cancer Hospital and Institute, Shandong First
Medical University & Shandong Academy of Medical Sciences, Jinan,
China
5. Cardiology Department, The Third Affiliated Hospital of Shandong First
Medical University & Shandong Academy of Medical Sciences, Jinan,
China