[1] Inst Mother & Child Hlth, Dept Orthopaed & Orthodont, ul Kasprzaka 17a, PL-01211 Warsaw, Poland
[2] Pomeranian Med Univ, Dept Interdisciplinary Dent, al Powstancow Wlkp 72, PL-70111 Szczecin, Poland
[3] Private Praxis Vita Med 2, Ledochowskiego 16-U3A, PL-71004 Szczecin, Poland