[1
]
Department of Ophthalmology and Visual Sciences, University of British Columbia, Vancouver
General Hospital, Vancouver, B.C.. Electronic address: hall.riley@usask.ca.
[2
]
Department of Ophthalmology and Visual Sciences, University of British Columbia, Vancouver
General Hospital, Vancouver, B.C.
[3
]
Division of Hematology, Department of Medicine, Vancouver General Hospital, Vancouver,
B.C.
[4
]
Department of Ophthalmology and Visual Sciences, University of British Columbia, Vancouver
General Hospital, Vancouver, B.C.; Discipline of Ophthalmology, University of Sydney,
Sydney Eye Hospital Campus, Macquarie Street, Sydney, New South Wales, Australia.