AUTHOR CONTRIBUTIONS
P.
Jonathan P. T. Corcoran, Maria B. Goncalves, Adrian P. Mander, Tim Mant, Jane Holmes, Daryl Bendel, Jörg Täubel, John Posner, Henry Fok and Hana Hassanin made substantial contributions to the conception and design of the work and the analysis and interpretation of the data as well as drafting and revising the work. E.C. performed the reverse transcription–polymerase chain reaction. Tim Mant was the study sponsor chief investigator, Jörg Täubel was the principal investigator at Richmond pharmacology Ltd, and Daryl Bendel was the principal investigator at the University of Surrey. All authors have revised the work critically for important intellectual content and have provided final approval of the version to be published.