[1] Univ Med & Pharm Carol Davila, 8 Eroii Sanitari Str, Bucharest 050474, Romania
[2] Emergency Univ Hosp Bucharest, 169 Splaiul Independentei, Bucharest 050098, Romania
[3] Elias Univ Emergency Hosp, 17 Marasti Blvd, Bucharest 011461, Romania
[4] Inst Protect Mother & Child Alessandrescu Rusescu, Polizu Clin, 38-52 Gheorghe Polizu Str, Bucharest, Romania
[5] Clin Hosp Prof Dr Th Burghele, 20 Panduri Rd, Bucharest 050652, Romania
[6] Vasile Alecsandri Univ, Municipal Emergency Hosp Moinesti, 1 Zorilor Str, Moinesti, Romania
[7] Univ Oradea, Fac Med & Pharm, Dept Morphol Disciplines, 10,1 Decembrie Sq, Oradea 410073, Romania
[8] Clin Emergency Hosp Bucharest, 8 Calea Floreasca, Bucharest 014461, Romania