1. Department of Obstetrics and Gynecology, University of Medicine and Pharmacy Craiova, 200349 Craiova, Romania
2. Biometrics Unit, MDX Research, 300633 Timisoara, Romania
3. Department of Obstetrics and Gynecology, ‘Nicolae Malaxa’ Clinical Hospital, 022441 Bucharest, Romania
4. Department of Obstetrics and Gynecology III, National Institute Alessandrescu Rusescu, Clinic of Obstetrics and Gynecology ‘Polizu’, 011061 Bucharest, Romania
5. Department of Biochemistry IV, University of Medicine and Pharmacy Victor Babes, 300041 Timisoara, Romania
6. Department of Obstetrics and Gynecology XII, University of Medicine and Pharmacy Victor Babes, 300041 Timisoara, Romania