Funding for this research was provided by:
Natural Sciences and Engineering Research Council of Canada
National Eye Institute (EY017001)
National Cancer Institute (CA207490)
Received: 27 July 2017
Accepted: 23 June 2018
First Online: 15 August 2018
Ethics approval and consent to participate
: Signed consent was obtained from human subjects prior to their participation in the study indicating their knowledge of the goals, publication, and possible health risks related to the study. This study was approved by the Human Research Ethics Board at the University of Victoria, ethics protocol number 16-362.
: Not applicable: manuscript does not contain individual details, data, or photos.
: The authors declare that they have no competing interests.
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