1. Department of General Chemistry, Faculty of Chemical Engineering and Biotechnologies, University Politehnica of Bucharest, 313 Splaiul Independentei, 060042 Bucharest, Romania
2. Buftea Obstetrics and Gynecology Hospital, M. Burghele Hospital, Studiolului 5, 070000 Buftea, Romania
3. Clinical Department of Orthopedics and Traumatology II, Clinical Emergency Hospital, Calea Floreasca 8, 014461 Bucharest, Romania