1. Unidade De Doenças Auto-imunes/Medicina 7.2, Hospital Curry Cabral, Centro Hospitalar Universitário De Lisboa Central, Lisboa, Portugal
2. Unit of Rheumatology and Clinical Immunology, ASST Spedali Civili; Department of Clinical and Experimental Sciences, University of Brescia, Brescia, Italy
3. Rheumatology Department, Centro Hospitalar E Universitário De São João, Porto, Portugal
4. Sechenov First Moscow State Medical University of the Ministry of Health of the Russian Federation, Moscow, Russia