Department of Paediatric, Gynaecological, Microbiological and Biomedical Sciences, University of Messina, Messina, Italy. Prevention and Protection, University of Messina, Messina, Italy. Family Planning Clinic, Terme Vigliatore, Italy. Obstetrics and Gynaecology Unit Hospital 'Umberto I', Enna, Italy. Family Planning Clinics, Messina, Italy. Family Planning Clinic, Enna, Italy. Obstetrics and Gynaecology Hospital, C. Basilotta Hospital, Enna, Italy. Obstetrics and Gynaecology Operating Unit Barcellona P.G. - Via Salvatore Cattafi, Messina, Italy. Family Planning Clinic, Piazza Armerina, Italy. Family Planning Clinic, Messina, Italy. Self-employed Professional, Terme Vigliatore, Italy. Family Planning Clinic, Caltanissetta, Italy.