Ontario
Genetics
Dr. Gregory Costain, MD, PhD, FRCPC
Staff physician, Division of Clinical & Metabolic Genetics
The Hospital for Sick Children (SickKids)
525 University Avenue, 9th floor, Suite 940, Toronto, Ontario, M5G 2L3, Canada
Fax: 416-813-5345
E-mail: gregory.costain@sickkids.ca
(Referrals should be directed to the Division of Clinical & Metabolic Genetics at SickKids, and must be made by an Ontario-based healthcare provider)