First Department of Medicine;
Semmelweis University;
H-1083 Budapest;
Hungary;
Department of Medicine;
Csolnoky F Province Hospital;
H-8200 Veszprem;
Hungary;
Department of Surgery;
Csolnoky F Province Hospital;
H-8200 Veszprem;
Hungary;
Department of Medicine;
Grof Eszterhazy Hospital;
H-8500 Papa;
Hungary;
Department of Infectious Diseases;
Magyar Imre Hospital;
H-8400 Ajka;
Hungary;
Department of Gastroenterology;
Municipal Hospital;
H-8100 Varpalota;
Hungary;
First Department of Pediatrics;
Semmelweis University;
H-1083 Budapest;
Hungary;
Crohn’s; disease; Early; surgery; Disease; course; Disease; behavior; Treatment; strategy;