Aaltonen, Gisele http://orcid.org/0000-0002-8265-6681
Carpelan-Holmström, Monika
Keränen, Ilona
Lepistö, Anna
Funding for this research was provided by:
University of Helsinki including Helsinki University Central Hospital
Article History
Accepted: 19 June 2019
First Online: 28 June 2019
Compliance with ethical standards
: All procedures performed in this study were in accordance with the ethical standards of the institutional and national research committee and with the 1964 Helsinki Declaration and comparable ethical standards. For this type of study, formal consent was not required.
: The authors declare that they have no conflicts of interest.