1 Queen's University, Department of Ophthalmology, Kingston Health Sciences Centre, Hotel Dieu Hospital, Kingston, Ont.
2 McMaster University, Department of Pediatrics, Division of Genetics, McMaster Children's Hospital, Hamilton, Ont.; Queen's University, Department of Pediatrics, Kingston Health Sciences Centre, Kingston General Hospital, Kingston, Ont.
3 Queen's University, Department of Ophthalmology, Kingston Health Sciences Centre, Hotel Dieu Hospital, Kingston, Ont.. Electronic address: [email protected].