[1] Hosp A Manzoni, Orthopaed Clin, Lecce, Italy
[2] Hosp A Manzoni, Ilizarov Unit, Lecce, Italy
[3] Iaso Childrens Hosp, Athens, Greece
[4] Stavros Niarchos Fdn, New York, NY USA
[5] Hosp Special Surg, New York, NY 10021 USA
[6] Univ Athens, Sch Med, Dept Orthopaed, Attikon Univ Hosp, GR-11527 Athens, Greece
[7] Univ Athens, Sch Med, Orthopaed Res & Educ Ctr PN Soucacos, GR-11527 Athens, Greece