Funding for this research was provided by:
Received: 19 November 2020
Accepted: 10 March 2021
First Online: 25 March 2021
: The Regional Ethical Review Board, Uppsala, approved the study (Dnr: 2012/292 and 2012/292/2). The mothers’ received oral and written information of the study and all participating mothers signed a written consent to participate in the RCT-study.
: Not applicable.
: The authors declare that they have no competing interests.