International consensus statement on an update of the classification criteria for definite antiphospholipid syndrome (APS)

St George Hospital, UNSW Sydney, Hospital for Special Surgery, Cornell University, Hokkaido University, University of Utah, The University of Texas Health Science Center at San Antonio, Hospital Clínic de Barcelona, University Medical Center Utrecht, Utrecht University, IRCCS Istituto Auxologico Italiano, University of Milan, University Hospital of Geneva, Geneva College, Tel Aviv University, Sheba Medical Center, Azienda Socio Sanitaria Territoriale degli Spedali Civili di Brescia, University of Brescia, National and Kapodistrian University of Athens