[1] Charles Univ Prague, Plast Surg Clin, Fac Hosp Kralovske Vinohrady, Prague 15500 5, Czech Republic
[2] Charles Univ Prague, Fac Med 3, Prague 15500 5, Czech Republic
[3] Charles Univ Prague, Dept Anthropol & Human Genet, Fac Sci, Prague 15500 5, Czech Republic
[4] Charles Univ Prague, ENT Clin, Fac Med 2, Prague 15500 5, Czech Republic
[5] Fac Hosp Motol, Prague, Czech Republic
[6] Charles Univ Prague, Pediat Stomatol Clin, Fac Med 2, Prague 15500 5, Czech Republic
[7] Charles Univ Prague, Anesthesiol & Resuscitat Clin, Fac Med 2, Prague 15500 5, Czech Republic
[8] Charles Univ Prague, Obstet & Gynecol Clin, Dept Newborns, Intens Care Unit,Fac Med 2, Prague 15500 5, Czech Republic
[9] Thomayer Hosp, Dept Neonatol, Prague, Czech Republic
[10] Acad Sci CR, Inst Expt Med, Prague, Czech Republic