Author contributions
RECRUITMENT
JH performed laboratory analyses, analysed some of the data and wrote the manuscript; EO performed some laboratory analyses; AH supervised the laboratory analyses and co-lead the study; KJM and MJ contributed to the preparation of the detection assays, construction of quantitative calibrators and manuscript revision; CA designed and co-lead the study, including the subjects recruitment, metadata gathering and data management; OC designed the laboratory part of this study, analysed the data and revised the manuscript; DA conceived the CiPP study, participated in its organization, subject recruitment and data interpretation and revised the manuscript.