[1
]
Graham Hughes Lupus Research Laboratory, Lupus Research Unit, The Rayne Institute,
King's College London School of Medicine, London, UK. Electronic address: maria.bertolaccini@kcl.ac.uk.
[2
]
Department of Internal Medicine II, Hokkaido University School of Medicine, Sapporo,
Japan.
[3
]
Department of Clinical and Experimental Sciences, University of Brescia, Italy; Rheumatology
and Clinical Immunology Unit, Spedali Civili, Brescia, Italy.
[4
]
Division of Rheumatology, Department of Clinical Sciences and Community Health, University
of Milan, Italy; Experimental Laboratory of Immunorheumatology, Istituto Auxologico
Italiano, Milan, Italy.
[5
]
Department of Physiology, Favaloro University, Division of Hematology, Thrombosis
and Haemostasis, University Hospital, Favaloro Foundation, Buenos Aires, Argentina.
[6
]
Department of Clinical Chemistry and Haematology, University Medical Center, Utrecht,
The Netherlands.
[7
]
INOVA Diagnostics, San Diego, CA, USA.
[8
]
Service de Médecine Interne, Hôpital Claude-Huriez, Centre Hospitalier Régional et
Universitaire de Lille, Lille, France.
[9
]
Experimental Laboratory of Immunorheumatology, Istituto Auxologico Italiano, Milan,
Italy; Department of Clinical Sciences and Community Health, University of Milan,
Italy.
[10
]
Clinical Coagulation Laboratory, Laboratory-Based Research, Department of Medicine,
Duke University Medical Center, Durham, NC, USA.
[11
]
Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD,
USA.
[12
]
Centre for Rheumatology, Division of Medicine University College London, London, UK.
[13
]
Division of Rheumatology, Allergy, and Immunology, The University of North Carolina
at Chapel Hill, Chapel Hill, NC, USA; Thurston Arthritis Research Center, The University
of North Carolina at Chapel Hill, Chapel Hill, NC, USA.
[14
]
Graham Hughes Lupus Research Laboratory, Lupus Research Unit, The Rayne Institute,
King's College London School of Medicine, London, UK.
[15
]
Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN, USA.
[16
]
Associated Regional and University Pathologists (ARUP) Institute for Clinical and
Experimental Pathology, University of Utah School of Medicine, Salt Lake City, UT,
USA.
[17
]
Antiphospholipid Standardization Laboratory, Division of Rheumatology, Department
of Internal Medicine, University of Texas Medical Branch, Galveston, TX, USA.