1. Envision Research Institute, Wichita, KS, USA
2. School of Optometry and Vision Science, University of Waterloo, Waterloo, ON, Canada
3. rajkumar.raveendran@envisionus.com
4. Scheie Eye Institute, University of Pennsylvania, Philadelphia, PA, USA
5. arunopto@hotmail.com
6. Centre for Eye and Vision Research, Hong Kong
7. ben.thompson@uwaterloo.ca