Sino-German Research Center of Ultrasound in Medicine;
the First Affiliated Hospital of Zhengzhou University;
Department of Ultrasonography;
"Octavian Fodor" Institute of Gastroenterology and Hepatology;
400162 Cluj-Napoca;
Romania;
Medical Department 2;
Caritas-Krankenhaus;
D-97980 Bad Mergentheim;
Germany;
Translational Gastroenterology Unit;
Oxford University Hospitals;
OX3 9DU Oxford;
United Kingdom;
Department of Pediatrics;
Caritas-Krankenhaus;
D-97980 Bad Mergentheim;
Germany;
Ultrasonography; Guidelines; Complication; Intestine; Pediatrics;