1. Diabetes, E. Wolfson Medical Center, Holon, Israel.
2. Institute of Endocrinology, Metabolism, and Hypertension, Tel Aviv-Sourasky Medical Center, Tel Aviv, Israel.
3. Department of Physiology and Pharmacology, Sackler School of Medicine, Tel Aviv University, Ramat Aviv, Israel.
4. Epidemiology and Research Units, E. Wolfson Medical Center, Holon, Israel.