[1
]
Department of Autoimmune Diseases, Hospital Clínic, Barcelona, Catalonia, Spain.
[2
]
Zabludowicz Center for Autoimmune Diseases, Sheba Medical Center, Tel Aviv, Israel.
[3
]
Barbara Volcker Center for Women and Rheumatic Disease, Hospital for Special Surgery,
New York, NY, United States.
[4
]
Department of Autoimmune Diseases, Hospital Clínic, Barcelona, Catalonia, Spain. Electronic
address: rcervera@clinic.cat.