1 City Eye Centre, Brisbane, Queensland, Australia.
2 University of Queensland, Brisbane, Queensland, Australia.
3 Birmingham Institute for Glaucoma Research, Institute for Translational Medicine, University Hospitals Birmingham NHS Foundation Trust, Birmingham, UK.
4 Institute of Ophthalmology, University College London, London, UK.
5 Centre for Health and Social Care Improvement, University of Wolverhampton, Wolverhampton, UK.
6 Cairns Eye and Laser Clinic, Cairns, Queensland, Australia.