1. Department ‘A’ of Internal Medicine; Coimbra University Hospital Centre; Coimbra Portugal
2. Faculty of Medicine; University of Coimbra; Coimbra Portugal
3. Zabludowicz Center for Autoimmune Diseases; Sheba Medical Center; Tel-Hashomer Israel
4. Department ‘B’ of Internal Medicine; Sheba Medical Center; Tel-Hashomer Israel
5. Sackler Faculty of Medicine; Tel-Aviv University; Tel-Aviv Israel