1. Department of Corneal and External Eye Diseases, St Paul's Eye Unit, Royal Liverpool University Hospital, Liverpool, UK
2. Department of Eye and Vision Science, Institute of Life Course and Medical Sciences, University of Liverpool, Liverpool, UK
3. Department of Doctoral Studies, Riga Stradins University, Riga, Latvia
4. Genomic Medicine, Biomedical Sciences Research Institute, Ulster University, Coleraine, UK