Edwards, Hellen McKinnon http://orcid.org/0000-0001-9840-9944
Svare, Jens Anton
Wikkelsø, Anne Juul
Lauenborg, Jeannet
Langhoff-Roos, Jens
Funding for this research was provided by:
Department of obstetrics and gynaecology, Herlev, Denmark (n.a)
Article History
Received: 21 February 2018
Accepted: 25 January 2019
First Online: 7 February 2019
Compliance with ethical standards
:
: HE, JL, AW, JS, and JLR declare that we have no conflicts of interest or financial ties to disclose.
: This study fulfils all Danish ethical standards and was approved by the Danish Data Protection Agency (No. 2012-58-0004).