1. Centro de Responsabilidade Integrado de Oftalmologia, Centro Hospitalar e Universitário de Coimbra, Coimbra, Portugal
2. Faculdade de Medicina, Universidade de Coimbra, Coimbra, Portugal
3. Clinical Academic Center of Coimbra, Coimbra, Portugal
4. Unidade de Oftalmologia de Coimbra, Coimbra, Portugal
5. Cornea and Refractive Surgery Department, Ophthalmology Department, Hospital de Braga, Braga, Portugal
6. Life and Health Sciences Research Institute (ICVS), School of Medicine, Universidade do Minho, Braga, Portugal