Medical Corps;
Israeli Defense Forces;
Ramat-Gan 52621;
Israel;
Medical School;
Hebrew University-Hadassah Medical Center;
Jerusalem 91120;
Israel;
Sackler Faculty of Medicine;
Tel-Aviv University;
Tel-Aviv 77096;
Israel;
Neuro-Oncology Unit;
Davidoff Cancer Center;
Rabin Medical Center;
Petach Tikva 49100;
Israel;
Department of Gastroenterology;
Sheba Medical Center;
Ramat-Gan 52361;
Israel;
Department of Gastroenterology;
Beilinson Hospital;
Rabin Medical Center;
Petach Tikva 49100;
Israel;
Department of Gastroenterology and Hepatology;
Hebrew University-Hadassah Medical Center;
Jerusalem 91120;
Israel;
Functional gastrointestinal disorders; Irritable bowel syndrome; Dyspepsia; Constipation; Adolescents;