1. Endocrine Institute, Assaf Harofeh Medical Center, Zerifin, Israel.
2. Sackler Faculty of Medicine, Tel-Aviv University, Tel-Aviv, Israel.
3. Endocrine Institute, Rabin Medical Center, Petah-Tikva, Israel.
4. Academic College of Tel-Aviv-Yaffo, Tel-Aviv, Israel.
5. Department of Epidemiology and Preventive Medicine, Tel-Aviv University Sackler Faculty of Medicine, Tel-Aviv, Israel.
6. Head and Neck Surgery Unit, Department of ENT, Assaf Harofeh Medical Center, Zerifin, Israel.