AUTHOR=Serrano Antonio , Cervera Ricard , Gris Jean Christophe TITLE=Editorial: Primary Antiphospholipid Syndrome JOURNAL=Frontiers in Immunology VOLUME=11 YEAR=2020 URL=https://www.frontiersin.org/journals/immunology/articles/10.3389/fimmu.2020.01993 DOI=10.3389/fimmu.2020.01993 ISSN=1664-3224