1. Danish College of Optometry and Vision Science, Dania Academy, Randers, Denmark
2. Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
3. Hammel Neurorehabilitation Centre and University Research Clinic, Department of Clinical Medicine, Aarhus University, Hammel, Denmark
4. Department of Ophthalmology, Aarhus University Hospital, Aarhus, Denmark