[1] Emergency Clin Hosp Children Marie S Curie, Clin Pediat Surg, 20 Constantin Brancoveanu Blvd, Bucharest 041451, Romania
[2] Univ Med & Pharm Carol Davila, Fac Gen Med, Dept Plast & Reconstruct Surg & Pediat Surg, 37 Dionisie Lupu, Bucharest 020021, Romania
[3] Univ Med & Pharm Carol Davila, Fac Gen Med, Dept Morphol Sci, 37 Dionisie Lupu, Bucharest 020021, Romania
[4] Emergency Clin Hosp Agrippa Ionescu, Clin Surg, 7 Arhitect Mincu, Bucharest 011356, Romania
[5] Univ Med & Pharm Carol Davila, Fac Gen Med, Dept Gen Surg, 37 Dionisie Lupu, Bucharest 020021, Romania
[6] Emergency Clin Hosp Sf Pantelimon, Clin Surg, 340 Pantelimon, Bucharest 021659, Romania
[7] Clin Hosp Dr Ion Cantacuzino, Clin Surg, 3-5 Ion Movila, Bucharest 030167, Romania