Małecka, Barbara, Department of Elctrocardiology, Jagiellonian University Collegium Medicum, Krakow Małecka, Barbara, Department of Electrocardiology, Institute of Cardiology, Jagiellonian University Medical College, John Paul II Hospital, Kraków, Poland Małecka, Barbara, Department of Electrocardiology, Institute of Cardiology, Jagiellonian University Medical College, John Paul II Hospital, Krakow, Poland (Poland) Małecka, Barbara, Department of Electrocardiology, John Paul II Hospital, Krakow, Poland Institute of Cardiology, Jagiellonian University Medical College, Krakow, Poland Małecka, Barbara, Klinika Elektrokardiologii, Instytut Kardiologii, Uniwersytet Jagielloński Collegium Medicum, Oddział Kliniczny Elektrokardiologii, Krakowski Szpital Specjalistyczny im. Jana Pawła II Małecka, Barbara, Department of Electrocardiology, John Paul II Hospital, Cracow, Poland. Institute of Cardiology, Jagiellonian University Medical College, Cracow, Poland. Małecka, Barbara, Department of Electrocardiology, The John Paul II Hospital in Krakow, Kraków, Institute of Cardiology, Jaciellonian University Collegium Medicum, Kraków Małecka, Barbara Małecka, Barbara Małecka, Barbara (Poland) Małecka, Barbara Małecka, Ilona, 1. Poznan University of Medical Sciences, 2. Specialistic Hospital for Mother and Child Małecka, Longina Małecka-Tendera, Ewa Małecka-Tendera, Ewa, Department of Paediatrics, Paediatric Endocrinology and Diabetes, Medical University of Silesia, Upper Silesian Children’s Health Centre, Katowice, Poland (Poland) Małecka-Tendera, Ewa, Medical University of Silesia, Department of Pediatrics and Pediatric Endocrinology, School of Medicine in Katowice, Medykow 16, 40-752 Katowice, Poland Małecki, Janusz, Indywidualna Specjalistyczna Praktyka Lekarska w Krakowie, dr med. J. Małecki Małecki, Janusz Małecki, Maciej Małecki, Maciej, Medical University of Warsaw (Poland) Małecki, Maciej, Department of Metabolic Diseases, Jagiellonian University Medical College, Cracow Małecki, Maciej, Department of Metabolic Diseases, Jagiellonian University Medical College, Kraków (Poland) Małecki, Maciej, Department of Metabolic Diseases, Jagiellonian University Medical College, Kraków Małecki, Maciej (Poland) Małecki, Maciej