1 Department of Ophthalmology, Rigshospitalet - Glostrup, Denmark.
2 Department of Ophthalmology, Zealand University Hospital, Naestved, Denmark.
3 Copenhagen Academy for Medical Education and Simulation, Centre for HR, Capital Region of Denmark, Denmark.
4 Moorfields Eye Hospital, City Road Campus, London, UK.
5 National Institute for Health Research, Biomedical Research Centre at Moorfields Eye Hospital, The Department of Education, The UCL Institute of Ophthalmology, London, UK.