1. From the Division of Internal Medicine, EMMS, The Nazareth Hospital, P.O.B 8, Nazareth, Israel
2. The Azrieli Faculty of Medicine, The Galilee, Bar-Ilan University, Henrietta Szold St. 8, P.O.B 1589, Safed, Israel
3. Department of Internal Medicine, Holy Family Hospital, P.O.B 11, Nazareth, Israel