1. Department of Obstetrics and Gynecology; Porto Medical School; University of Porto; Porto Portugal
2. Institute for Research and Innovation in Health (I3S) and Institute of Biomedical Engineering (INEB); University of Porto; Porto Portugal
3. Center for Research in Health Technologies and Information Systems (CINTESIS); Porto Medical School; University of Porto; Porto Portugal
4. Department of Health Information and Decision Sciences; Porto Medical School; University of Porto; Porto Portugal
5. Department of Obstetrics and Gynecology; S. João Hospital; Porto Portugal
6. Department of Obstetrics and Gynecology; Hospital Pedro Hispano; Matosinhos Portugal