About the Authors

Jonas F. Ludvigsson

Contributed equally to this work with: Jonas F. Ludvigsson, Donghao Lu

Roles Conceptualization, Investigation, Methodology, Writing – original draft, Writing – review & editing

jonasludvigsson@yahoo.com

Affiliations Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden, Department of Pediatrics, Örebro University Hospital, Örebro, Sweden, Division of Epidemiology and Public Health, School of Medicine, University of Nottingham, Nottingham, United Kingdom, Department of Medicine, Columbia University College of Physicians and Surgeons, New York, New York, United States of America

Donghao Lu

Contributed equally to this work with: Jonas F. Ludvigsson, Donghao Lu

Roles Conceptualization, Formal analysis, Investigation, Methodology, Writing – review & editing

Affiliations Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden, Centre of Public Health Sciences, Faculty of Medicine, University of Iceland, Reykjavik, Iceland

Lennart Hammarström

Roles Investigation, Methodology, Writing – review & editing

Affiliation Department of Laboratory Medicine, Clinical Epidemiology Unit, Karolinska Institutet, Stockholm, Sweden

Sven Cnattingius

Roles Data curation, Funding acquisition, Investigation, Methodology, Writing – review & editing

Affiliation Department of Medicine, Solna, Karolinska Institutet, Stockholm, Sweden

Fang Fang

Roles Conceptualization, Investigation, Methodology, Writing – review & editing

Affiliation Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden

Competing Interests

The authors have declared that no competing interests exist.