1. University of Waterloo, School of Optometry and Vision Science, Waterloo, Ontario, Canada
2. Indiana University School of Optometry, Bloomington, IN, USA
3. HealthPartners Institute, Bloomington, MN, USA
4. Toronto Eye Care, Toronto, Ontario, Canada
5. Indiana University Department of Ophthalmology, Indianapolis, IN, USA
6. Clinical Trial Consultant, Iowa City, IA, USA