PROCEEDINGS FROM THE INTERNATIONAL SOCIETY OF BLOOD TRANSFUSION WORKING PARTY ON IMMUNOHAEMATOLOGY, WORKSHOP ON THE CLINICAL SIGNIFICANCE OF RED BLOOD CELL ALLOANTIBODIES, SEPTEMBER 9, 2016, DUBAI: Clinical significance of antibodies to antigens in the ABO, MNS, P1PK, Rh, Lutheran, Kell, Lewis, Duffy, Kidd, Diego, Yt, and Xg blood group systems