1. Department of Internal Medicine, Kosin University College of Medicine, Pusan, Korea.
2. Department of Radiology, Kosin University College of Medicine, Pusan, Korea.
3. Department of Nuclear Medicine, Kosin University College of Medicine, Pusan, Korea.
4. Korean Hereditary Tumor Registry, Cancer Research Institute, Seoul National University, Seoul, Korea.
5. Noguchi Thyroid Clinic & Hospital Foundation, Beppu, Japan.