1. Department of Obstetrics and Gynecology, IRCCS San Raffaele Hospital, Milan - Italy
2. Department of Obstetrics and Gynecology, DMSD San Paolo Hospital, Milan - Italy
3. Istituto Auxologico Italiano, Milan - Italy
4. Pope John's Hospital, Aber - Oyam District - Uganda
5. CROG: Center for Research in Obstetrics and Gynecology, Milan - Italy