| Affiliation: | *Department of Gastroenterology, Faculty of Health Sciences, Ben Gurion University—Soroka Medical Center Beer-Sheva, Israel
!["{ddagger}"]("/math/Dagger.gif") Unit of Epidemiology and Evaluation of Health Services, Faculty of Health Sciences, Ben Gurion University—Soroka Medical Center Beer-Sheva, Israel
!["§"]("/math/sect.gif") Value Health Sciences, Santa Monica, California, U.S.A., and Professor of Medicine, UCLA Center for Health Sciences, Los Angeles California, U.S.A.
¶Health Sciences Programme, RAND Corporation, Santa Monica, California, U.S.A., and Professor of Medicine and Public Health, UCLA Center for Health Sciences, Los Angeles California, U.S.A. |
