1. Bioftalmik SL, Zamudio Technology Park, Derio, Spain
2. Department of Cellular Biology and Histology, School of Medicine, University of the Basque Country UPV/EHU, Leioa, Spain
3. Department of Ophthalmology, University of the Basque Country UPV/EHU, Leioa, Spain 4Instituto Clinico-Quirurgico de Oftalmologia, Bilbao, Spain