Ellfolk, Maria
Leinonen, Maarit K.
Gissler, Mika
Lahesmaa-Korpinen, Anna-Maria
Saastamoinen, Leena
Nurminen, Marja-Leena
Malm, Heli http://orcid.org/0000-0001-5986-6640
Funding for this research was provided by:
University of Helsinki including Helsinki University Central Hospital
Article History
Received: 10 July 2019
Accepted: 20 September 2019
First Online: 3 November 2019
Compliance with ethical standards
:
: The authors declare that they have no conflicts of interest.