1 Rheumatology Unit, Hospital Universitário Polydoro Ernani de São Thiago, Universidade Federal de Santa Catarina (UFSC), Florianopolis, Santa Catarina.
2 Ophthalmology Service, Hospital Regional de São José Homero de Miranda Gomes (HRSJ-HMG), São José, Santa Catarina.
3 Internal Medicine Department, Health Sciences Center, Universidade Federal de Santa Catarina (UFSC), Florianopolis, Santa Catarina, Brazil.