1   Department of Surgical Sciences, Tor Vergata University, Rome, Italy

2   Division of Obstetrics and Gynecology, Policlinico Casilino, Rome, Italy

,

Sara Zullino

3   Department of Obstetrics and Gynecology, Biomedical, Experimental and Clinical Sciences, University Hospital Careggi, Florence, Italy

,

4   Department of Integrated Care Services, Prehospitalization Unit, Policlinico di Tor Vergata, Rome, Italy

,

Daniele Farsetti

1   Department of Surgical Sciences, Tor Vergata University, Rome, Italy

2   Division of Obstetrics and Gynecology, Policlinico Casilino, Rome, Italy

,

Serena Ottanelli

3   Department of Obstetrics and Gynecology, Biomedical, Experimental and Clinical Sciences, University Hospital Careggi, Florence, Italy

,

Sara Clemenza

3   Department of Obstetrics and Gynecology, Biomedical, Experimental and Clinical Sciences, University Hospital Careggi, Florence, Italy

,

5   Department of Anesthesia and Intensive Care, Unit of Obstetric and Gynecologic Anesthesia, Azienda Ospedaliero Universitaria Careggi, Florence, Italy

,

Enrico Ferrazzi

6   Department of Obstetrics and Gynecology, Unit of Obstetrics, Department of Woman, Child, and Newborn, Fondazione IRCCS Ca' Granda - Ospedale Maggiore Policlinico, Milan, Italy

7   Department of Clinical and Community Sciences, University of Milan, Milan, Italy

,

Daniela Denis Di Martino

6   Department of Obstetrics and Gynecology, Unit of Obstetrics, Department of Woman, Child, and Newborn, Fondazione IRCCS Ca' Granda - Ospedale Maggiore Policlinico, Milan, Italy

,

Tullio Ghi

8   Obstetrics and Gynecology Unit, Department of Medicine and Surgery, University of Parma, Parma, Italy

,

8   Obstetrics and Gynecology Unit, Department of Medicine and Surgery, University of Parma, Parma, Italy

,

Rossana Orabona

9   Department of Clinical and Experimental Sciences, University of Brescia, Brescia, Italy

,

Paola Corbella

10   Maternal Infant Department SC, Obstetrics and Gynecology, ASST Grande Ospedale Metropolitano Niguarda, Milan, Italy

,

Maria Grazia Frigo

11   Department of Anesthesia and Resuscitation in Obstetrics, San Giovanni Calibita Fatebenefratelli Hospital, Rome, Italy

,

Federico Prefumo

12   Obstetrics and Gynecology Unit, IRCCS Istituto Giannina Gaslini, Genova, Italy

,

Tamara Stampalija

13   Unit of Fetal Medicine and Prenatal Diagnosis, Institute for Maternal and Child Health, IRCCS Burlo Garofolo, Trieste, Italy

14   Department of Medicine, Surgery and Health Sciences, University of Trieste, Trieste, Italy

,

Stefano Raffaele Giannubilo

15   Department of Obstetrics and Gynecology, Marche Polytechnic University, Ancona, Italy

16   Department of Clinical Sciences, Polytechnic University of Marche Salesi Hospital, Ancona, Italy

,

Herbert Valensise

1   Department of Surgical Sciences, Tor Vergata University, Rome, Italy

2   Division of Obstetrics and Gynecology, Policlinico Casilino, Rome, Italy

,

Federico Mecacci

3   Department of Obstetrics and Gynecology, Biomedical, Experimental and Clinical Sciences, University Hospital Careggi, Florence, Italy