First Department of Pediatrics;
Semmelweis University;
H-1083 Budapest;
Hungary;
Research Group for Pediatrics and Nephrology;
Semmelweis University and Hungarian Academy of Sciences;
H-1083 Budapest;
Hungary;
SE-MTA "Lendulet" Diabetes Research Group;
H-1083 Budapest;
Hungary;
Second Department of Pathology;
Semmelweis University;
H-1091 Budapest;
Hungary;
First Department of Medicine;
Semmelweis University;
H-1083 Budapest;
Hungary;
Second Department of Medicine;
University of Debrecen;
H-4032 Debrecen;
Hungary;