1. Foetal Medicine Unit, University Hospital Virgen Macarena, 41009 Seville, Spain
2. Department of Surgery, Faculty of Medicine, University of Seville, 41009 Seville, Spain
3. Department of Social, Developmental and Educational Psychology, University of Huelva, 21007 Huelva, Spain
4. Research Group on Health Promotion and Development of Lifestyle across the Lifespan, University of Huelva, 21007 Huelva, Spain
5. Nursing Department, Faculty of Nursing, Physiotherapy and Podiatry, University of Seville, 41009 Seville, Spain
6. Multiprofessional Teaching Unit for Family and Community Care in Huelva, Huelva Costa Condado Campiña Health District, 21001 Huelva, Spain
7. Instituto Superiore di Sanitá, 00161 Roma, Italy
8. Neonatology Unit, Hospital Clinic, Universitat de Barcelona, 08028 Barcelona, Spain