Zhang, Jie https://orcid.org/0000-0002-1985-5485
Andersen, Christina
Olsen, Anja
Halkjær, Jytte
Petersen, Kristina Elin
Schaarup, Jonas Frey Rosborg
Antoniussen, Christian S.
Witte, Daniel R.
Dahm, Christina C. https://orcid.org/0000-0003-0481-2893
Article History
Received: 4 January 2025
Revised: 26 June 2025
Accepted: 1 August 2025
First Online: 22 August 2025
Competing interests
: The authors declare no competing interests.
: All the procedures were performed following the ethical standards laid down in the 1964 Declaration of Helsinki and its later amendments or comparable ethical standards. The establishment of the DCH-NG cohort was approved by the Committee on Health Research Ethics for the Capital Region of Denmark (journal number H-15001257) and by the Danish Data Protection Agency (journal number 2013–41- 2043/2014–231-0094). The participants provided their written informed consent to participate in the DCH-NG cohort at enrollment, according to the Danish Act on Research Ethics Review of Health Research Projects. The present study was approved by the Diet, Cancer, and Health Scientific Management Group, and no further ethical approval or consent was needed.