AUTHOR=Noels Heidi , Bernhagen Jürgen TITLE=Editorial: The CXCR4 Ligand/Receptor Family and the DPP4 Protease in High-Risk Cardiovascular Patients JOURNAL=Frontiers in Immunology VOLUME=7 YEAR=2016 URL=https://www.frontiersin.org/journals/immunology/articles/10.3389/fimmu.2016.00058 DOI=10.3389/fimmu.2016.00058 ISSN=1664-3224