1. Institute of Endocrinology, Rabin Medical Center–Beilinson Hospital, Petach Tikva, Israel.
2. Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel.
3. Statistics Unit, Rabin Medical Center–Beilinson Hospital, Petach Tikva, Israel.
4. Endocrine Institute, Assaf Harofeh Medical Center, Zerifin, Israel.