Smajlagić, Dinka
Lavrichenko, Ksenia
Berland, Siren http://orcid.org/0000-0002-8048-6682
Helgeland, Øyvind http://orcid.org/0000-0002-5612-2985
Knudsen, Gun Peggy
Vaudel, Marc
Haavik, Jan
Knappskog, Per Morten
Njølstad, Pål Rasmus http://orcid.org/0000-0003-0304-6728
Houge, Gunnar
Johansson, Stefan http://orcid.org/0000-0002-2298-7008
Article History
Received: 8 March 2020
Revised: 19 June 2020
Accepted: 21 July 2020
First Online: 10 August 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: The establishment of MoBa and initial data collection were based on a license from the Norwegian Data Protection Agency and approval from The Regional Committees for Medical and Health Research Ethics. The MoBa cohort is based on regulations based on the Norwegian Health Registry Act. The current study was approved by The Regional Committees for Medical and Health Research Ethics (2015/2055). The Norwegian Institute for Public Health has approved the publication (ref. PDB 1542/2550).