John Semple

Division of Hematology and Transfusion Medicine, Lund University, Lund, Sweden; Clinical Immunology and Transfusion Medicine, Office of Medical Services, Region Skåne, Lund, Sweden.

Rick Kapur

Sanquin Research, Department of Experimental Immunohematology, Amsterdam, Netherlands; Amsterdam UMC location University of Amsterdam, Landsteiner Laboratory, Amsterdam, the Netherlands.

Sylvain Audia

Department of Internal Medicine and Clinical Immunology, Constitutive Referral Centre for Adult Autoimmune Cytopenia, CHU Dijon-Bourgogne, Université Bourgogne Europe, Dijon, France.

Marc Michel

Department of Internal Medicine, French Referral Centre for Adult Immune Cytopenia, Henri Mondor Hospital, AP-HP, UPEC University, Créteil, France.