1 Department of Ophthalmology, Virgen de las Nieves University Hospital; Doctoral Programme in Clinical Medicine and Public Health, University of Granada, Granada, Spain Hospital Virgen de las Nieves, c/Av. de las Fuerzas Armadas, 2, 18014 Granada, Spain.
2 Department of Ophthalmology, Virgen de las Nieves University Hospital, 18014 Granada, Spain.