aInstitute of Clinical Chemistry and Clinical Pharmacology, University Hospital Bonn, , Bonn, Germany

bInstitut Pasteur, Université Paris Cité, Inserm, Paris, France

cInnate Immunity Unit, Institut Pasteur, Université Paris Cité, Inserm U1223, Paris, France

Correspondence to Dr Laura Surace, PhD, Institute of Clinical Chemistry and Clinical Pharmacology, University Hospital Bonn, University of Bonn, Venusberg-Campus 1, 53127 Bonn, Germany. E-mail: [email protected]