1. Perinatology Research Branch, NICHD/NIH/DHHS, Bethesda, MD, and Detroit, MI, USA;
2. Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, MI, USA;
3. Department of Obstetrics and Gynecology, University of Michigan, Ann Arbor, MI, USA;
4. Department of Epidemiology and Biostatistics, Michigan State University, East Lansing, MI, USA;
5. Center for Molecular Medicine and Genetics, Wayne State University, Detroit, MI, USA;
6. Maternity Private Department, Kutvolgyi Clinical Block, Semmelweis University, Budapest, Hungary;
7. Systems Biology of Reproduction Lendulet Research Group, Institute of Enzymology, Research Centre for Natural Sciences, Hungarian Academy of Sciences, Budapest, Hungary;
8. First Department of Pathology and Experimental Cancer Research, Semmelweis University, Budapest, Hungary;
9. Department of Obstetrics and Gynecology, Center for Research and Innovation in Maternal-Fetal Medicine (CIMAF), Sótero del Río Hospital, Santiago, Chile;
10. Division of Obstetrics and Gynecology, Faculty of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile;
11. Department of Obstetrics and Gynecology, Azienda, Ospedaliera Universitaria Integrata, Verona, Italy;
12. Department of Pathology, University of Ulsan College of Medicine, Seoul, Republic of Korea;
13. Department of Obstetrics and Gynecology, Columbia University, New York, NY, USA;
14. Department of Obstetrics and Gynecology, Ben-Gurion University, Beer-Sheva, Israel