Affiliations

• ¹ Immunorheumatology Research Laboratory, Istituto Ricovero e Cura a Carattere Scientifico, Milan, Italy. Electronic address: pierluigi.meroni@unimi.it.
• ² Immunorheumatology Research Laboratory, Istituto Ricovero e Cura a Carattere Scientifico, Milan, Italy; Department of Clinical Sciences and Community Health, University of Milan, Milan, Italy.
• ³ Department of Rheumatology, Endocrinology and Nephrology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan.
• ⁴ Academic Department of Vascular Surgery, School of Cardiovascular and Metabolic Medicine & Sciences, King's College, London, United Kingdom.
• ⁵ Department of Haematology, University College London Hospitals National Health System Foundation Trust, London, United Kingdom; Haemostasis Research Unit, Department of Haematology, University College London, London, United Kingdom.
• ⁶ Immunorheumatology Research Laboratory, Istituto Ricovero e Cura a Carattere Scientifico, Milan, Italy.
• ⁷ Division of Rheumatology, Allergy, and Immunology, The University of North Carolina at Chapel Hill, North Carolina, USA.
• ⁸ Dipartimento di Scienze Cliniche e Biologiche, University of Turin, Turin, Italy.
• ⁹ Antibody Immunology Laboratory, Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, Minnesota, USA.
• ¹⁰ Antiphospholipid Standardization Laboratory, Internal Medicine, Rheumatology Division, University of Texas Medical Branch, Galveston, Texas, USA.
• ¹¹ Barbara Volcker Center for Women and Rheumatic Diseases, Division of Rheumatology, Department of Medicine, Hospital for Special Surgery, Weill Cornell Medicine, New York, NY, USA.
• ¹² Coagulation Laboratory, Department of Diagnostic Sciences, Ghent University Hospital, Ghent University, Ghent, Belgium; Department of Diagnostic Sciences, Ghent University, Ghent, Belgium.