Gastroenterology Institute;
Assaf Harofeh Medical Center;
Zerifin 70300;
Israel;
Sackler School of Medicine Tel-Aviv University;
Tel-Aviv 69975;
Israel;
Department of Gastroenterology;
TelAviv Sourasky Medical Center;
TelAviv 64239;
Israel;
Department of Gastroenterology;
The E.Wolfson Medical Center;
Holon 58100;
Israel;
Department of Internal Medicine "A";
The E.Wolfson Medical Center;
Holon 58100;
Israel;