1 Regional University Hospital of Malaga, Málaga, Spain.
2 Department of Ophthalmology (Qvision), Vithas Virgen del Mar Hospital, Almería, Spain.
3 Virgen de las Nieves University Hospital, Granada, Spain.
4 Department of Surgery, area of Ophthalmology, University of Sevilla, Seville, Spain.
5 Department of Doctoral Studies, Riga Stradins University, Riga, Latvia.
6 Advalia Vision, Cornea Research Unit, Milan, Italy.
7 Department of Eye and Vision Science, Institute of Life Course and Medical Sciences, University of Liverpool, Liverpool, UK.
8 Department of Medical and Surgical Specialties, Radiological Sciences, and Public Health, Ophthalmology Clinic, University of Brescia, Brescia, Italy.