Authors
Danuta Smoląg
Medical Department, Jagiellonian University Collegium Medicum, Kraków, Poland
Małgorzata Kulesa-Mrowiecka
Institute of Physiotherapy, Health Science Department, Jagiellonian University, Kraków, Poland
Jerzy Sułko
Child Surgery Department, Polish-American Institute of Pediatrics, Jagiellonian University Collegium Medicum, Kraków, Poland