Department of Gastroenterology;
TelAviv Medical Center;
School of Public Health;
University of Haifa;
Institute of Gerontology;
College of Public Health;
The University of Georgia;
Texas A&M University;
School of Public Health;
College Station;
The Sackler Faculty of Medicine;
Tel-Aviv University;
Family Medicine Department;
Tel-Aviv and Dan Petach-Tikva;
Clalit Health Services;
Rabin Medical Center;
Internal medicine A Galler medical Center;
Bar-Ilan University;