title: Changing preferences for method of payment.
authors.affiliation: Department of Ophthalmology and Vision Science, University of Toronto, Toronto, Ontario, Canada. jason.noble@utoronto.ca
authors.forename: Jason
authors.initials: J
authors.lastname: Noble
authors.forename: Mark Otto
authors.initials: MO
authors.lastname: Baerlocher
mesh_terms: D000328:Adult; D000368:Aged; D002170:Canada; D006801:Humans; D008875:Middle Aged; D010820:Physicians; D012051:Reimbursement Mechanisms; D011795:Surveys and Questionnaires