1. Obstetrics Unit, Department of Medical and Surgical Sciences for Mother, Child and Adult University of Modena and Reggio Emilia. University Hospital Policlinico of Modena, Italy Modena Italy
2. International Doctorate School in Clinical and Experimental Medicine, Department of Biomedical, Metabolic and Neural Sciences University of Modena and Reggio Emilia Modena Italy
3. Department of Biomedical and Neuromotor Sciences (DIBINEM), Hygiene and Preventive Medicine Section, Alma Mater Studiorum University of Bologna Bologna Italy