[1] Univ Med & Pharm Craiova, Fac Midw & Nursing, Dept 2, Craiova, Romania
[2] Carol Davila Univ Med & Pharm Bucharest, Fac Med, Bucharest, Romania
[3] Carol Davila Univ Med Pharm Bucharest, Fac Dent, Dept Periodontol, Bucharest, Romania
[4] Carol Davila Univ Med & Pharm Bucharest, Fac Dent, Dept Genet, Bucharest, Romania