Funding for this research was provided by:
Norges Forskningsråd (241430)
Received: 21 February 2020
Accepted: 23 June 2020
First Online: 11 August 2020
Ethics approval and consent to participate
: MoBa is conducted according to the guidelines laid down in the declaration of Helsinki, and written informed consent was obtained from all participants. The establishment and data collection in MoBa was previously based on a license from the Norwegian Data protection agency and approval from The Regional Committee for Medical Research Ethics, and it is now based on regulations related to the Norwegian Health Registry Act. The current study was approved by The Regional Committee for Medical Research Ethics South East Norway (REK 2014/2211).
: Not applicable.
: The first author of this paper (MHA) was until Dec. 2019 employed by a Norwegian dairy company (TINE SA), and she participated in this project as an industrial PhD student financed partly by the dairy company and partly by The Research Council of Norway. This project is designed, owned, and administered by The Norwegian Institute of Public Health, and analyses of the data follow from the protocol. All results of analyses in the project are to be published regardless of the results. The dairy company supports the study to raise awareness on the importance of iodine and to gain more knowledge about the potential health effects of milk in the Norwegian diet. The other authors declare that they have no competing interests.