1. Institute for Maternal and Child Health; IRCCS Burlo Garofolo; Trieste Italy
2. Nuffield Department of Obstetrics and Gynecology; University of Oxford; John Radcliffe Hospital; Oxford UK
3. Department of Medicine; Surgery and Health Sciences; University of Trieste; Trieste Italy
4. Department of Life Sciences; University of Trieste; Trieste Italy
5. IRCCS; Istituto Auxologico Italiano; Milano Italy