Association of endopeptidases, involved in SARS‐CoV‐2 infection, with microbial aggravation in sputum of severe asthma. Issue 6 (25th January 2021) - Abdel‐Aziz, Mahmoud I.; Kermani, Nazanin Zounemat; Neerincx, Anne H.; Vijverberg, Susanne J. H.; Guo, Yike; Howarth, Peter; Dahlen, Sven‐Erik; Djukanovic, Ratko; Sterk, Peter J.; Kraneveld, Aletta D.; Maitland‐van der Zee, Anke H.; Chung, Kian Fan; et al.