About the Authors

Kyra D. Zens

Roles Formal analysis, Visualization, Writing – original draft, Writing – review & editing

Affiliations Department of Public and Global Health, Epidemiology, Biostatistics and Prevention Institute, University of Zurich, Zurich, Switzerland, Institute for Experimental Immunology, University of Zurich, Zurich, Switzerland

Vasiliki Baroutsou

Roles Formal analysis, Writing – review & editing

Affiliations Department of Public and Global Health, Epidemiology, Biostatistics and Prevention Institute, University of Zurich, Zurich, Switzerland, Department of Clinical Research, Faculty of Medicine, University of Basel, Basel, Switzerland

Philipp Sinniger

Roles Formal analysis, Writing – review & editing

Affiliation Department of Public and Global Health, Epidemiology, Biostatistics and Prevention Institute, University of Zurich, Zurich, Switzerland

Phung Lang

Roles Funding acquisition, Project administration, Resources, Writing – review & editing

phung.lang@uzh.ch

Affiliation Department of Public and Global Health, Epidemiology, Biostatistics and Prevention Institute, University of Zurich, Zurich, Switzerland

Competing Interests

Dr. Lang reports grants and personal fees from Pfizer during the conduct of the study. Pfizer had no role in the study design, data collection and analysis, decision to publish, or preparation of the manuscript. This does not alter our adherence to PLOS ONE policies on sharing data and materials.