1. Department of Ophthalmology, Centro Hospitalar e Universitário de Lisboa Central, Lisbon, Portugal
2. Department of Ophthalmology, Hospital CUF Descobertas, Lisbon, Portugal
3. NOVA Medical School, Universidade NOVA de Lisboa, Lisbon, Portugal
4. Autoimmune Disease Unit, Unidade de Doenças Auto-imunes/Serviço Medicina 3, Hospital de Santo António dos Capuchos, Centro Hospitalar e Universitário de Lisboa Central, Lisbon, Portugal
5. Epidemiology and Statistics Unit, Research Center, Centro Hospitalar e Universitário de Lisboa Central, Lisbon, Portugal
6. CEAUL (Center of Statistics and Applications), Lisbon University, Lisbon, Portugal
7. Autoimmune Disease Unit, Unidade de Doenças Auto-imunes/Serviço de Medicina 7.2, Hospital Curry Cabral, Centro Hospitalar e Universitário de Lisboa Central, Lisbon, Portugal
8. Instituto Gulbenkian de Ciência, Oeiras, Portugal
9. Department of Ophthalmology, Centro Hospitalar e Universitário de Coimbra, Coimbra, Portugal
10. Faculty of Medicine, University of Coimbra, Coimbra, Portugal