1. Institute of Endocrinology; Beilinson Hospital; Petach Tikva Israel
2. Sackler School of Medicine; Tel Aviv University; Tel Aviv Israel
3. Statistical Consulting Unit, Rabin Medical Center; Beilinson Hospital; Petach Tikva Israel
4. Department of Internal Medicine D, Rabin Medical Center; Hasharon Hospital; Petach Tikva Israel
5. Internal Medicine A; Beilinson Hospital; Petach Tikva Israel