1. Doctoral School, University of Las Palmas de Gran Canaria, 35001 Las Palmas de Gran Canaria, Spain
2. Department of Community Nursing, Preventive Medicine, Public Health and History of Science, Faculty of Health Sciences, University of Alicante, 03690 Alicante, Spain
3. Department of Gynecologic Oncology, Insular University Hospital of Las Palmas, 35016 Las Palmas de Gran Canaria, Spain
4. 2nd Department of Obstetrics and Gynecology, Aristotle University of Thessaloniki, 54642 Thessaloniki, Greece