1. Professor Emeritus of Medicine, Pediatrics, Otolaryngology, Pathology & Laboratory Medicine, University of Toronto, Toronto, Canada.
2. Senior Endocrine Consultant, Joseph and Mildred Sonshine Family Centre for Head & Neck Disease, Mount Sinai Hospital, Toronto, Canada.
3. Alex and Simona Shnaider Research Chair in Thyroid Oncology, Mount Sinai Hospital, Toronto, Canada.