Valla, Lisbeth
Småstuen, Milada Cvancarova
Andenæs, Randi
Misvær, Nina
Olbjørn, Christine
Helseth, Sølvi
Article History
Received: 3 August 2020
Accepted: 20 December 2020
First Online: 7 January 2021
Ethics approval and consent to participate
: Written informed consent was obtained from all MoBa participants upon recruitment. The study was approved by the Regional Committee for Medical Research Ethics in South-Eastern Norway.
: Not applicable.
: The authors declare that they have no competing interests.