[1] Carol Davila Univ Med & Pharm, Fac Midwifery & Nursing, Dept Microbiol Parasitol & Virol, Bucharest 050474, Romania
[2] Inst Virol Stefan S Nicolau, Dept Virol, Bucharest 030304, Romania
[3] Univ Med & Pharm Carol Davila, Dept Fundamental Sci, Fac Midwifery & Nursing, 37 Dionisie Lupu St, Bucharest 020021, Romania
[4] Inst Publ Hlth, Natl Ctr Monitoring Community Risks, 1-3 Doctor Leonte Anastasievici St, Bucharest 050463, Romania
[5] Carol Davila Univ Med & Pharm, Dept Fundamental Sci, Fac Pharm, Bucharest 050474, Romania
[6] Obstet & Gynecol Hosp, Dept Birth, Ploiesti 100409, Romania
[7] Monza Oncol Hosp, Med Oncol Dept, Bucharest 011461, Romania
[8] Carol Davila Univ Med & Pharm, Fac Midwifery & Nursing FMAM, Dept Dent Tech, 8 Eroilor Sanit Blvd, Bucharest 050474, Romania
[9] Carol Davila Univ Med & Pharm, Fac Med, Inst Oncol Prof Dr Al Trestioreanu Bucharest, Dept Oncol, Bucharest 050474, Romania