1. Department of Obstetrics and Prenatal Medicine, UZ Brussels University Hospital, Brussels, Belgium
2. Department of Obstetrics and Gynaecology, University Hospital of Montpellier, Montpellier, France
3. Biostatistics and Medical Informatics, Department of Public Health, Vrije Universiteit Brussel, Brussels, Belgium
4. Laboratory of Climatology, Department of Geography, UR SPHERES, University of Liège, Liège, Belgium
5. Department of Gynaecology and Obstetrics, University Hospital of South Reunion Island, Saint Pierre, Reunion
6. Faculty of Medicine, University of Reunion, St Denis, Reunion
7. CEPOI, Perinatal Centre of Study of the Indian Ocean, St Denis, Reunion
8. Department of Obstetrics and Prenatal Medicine, Arnaud de Villeneuve Hospital, University Hospital of Montpellier, Montpellier, France