[1] Univ Hosp Sao Joao, Dept Rheumatol, Alameda Prof Hernani Monteiro, Porto, Portugal
[2] Univ Porto, Dept Med, Fac Med, Porto, Portugal
[3] Univ Hosp Sao Joao, Pediat & Young Adult Rheumatol Unit, Porto, Portugal
[4] Univ Hosp Sao Joao, Dept Pediat, Porto, Portugal
[5] Univ Hosp Sao Joao, Dept Ophthalmol, Porto, Portugal
[6] Univ Porto, Dept Pharmacol & Therapeut, Fac Med, Porto, Portugal