Accepted for Publication: May 27, 2022.
Published: July 13, 2022. doi:10.1001/jamanetworkopen.2022.22079
Open Access: This is an open access article distributed under the terms of the CC-BY License. © 2022 Surén P et al. JAMA Network Open.
Corresponding Author: Pål Surén, MD, PhD, Norwegian Institute of Public Health, PO Box 222 Skøyen, N-0213 Oslo, Norway (pal.suren@fhi.no).
Author Contributions: Dr Hart had full access to all of the data in the study and takes responsibility for the integrity of the data and the accuracy of the data analysis.
Concept and design: Surén, Skirbekk, Godøy, Hart.
Acquisition, analysis, or interpretation of data: All authors.
Drafting of the manuscript: Surén.
Critical revision of the manuscript for important intellectual content: All authors.
Statistical analysis: Surén, Godøy, Hart.
Supervision: Surén, Torgersen.
Conflict of Interest Disclosures: Dr Surén reported receiving grants from the OAK Foundation through the OAK Fellowships Programme in Molecular and Environmental Epidemiology and receiving personal fees from the National Office for Health Service Appeals for expert testimony in court cases outside the submitted work. No other disclosures were reported.
Funding/Support: This study was supported by the Norwegian Institute of Public Health.
Role of the Funder/Sponsor: The Norwegian Institute of Public Health facilitated the registry linkage and funded the analytic work but had no role in the design and conduct of the study; collection, management, analysis, and interpretation of the data; preparation, review, or approval of the manuscript; and decision to submit the manuscript for publication.
Additional Contributions: Lars Johan Hauge, PhD (Norwegian Institute of Public Health), provided assistance in preparing the data set and was not compensated.