Salminen, Helena
Piispanen, P.
Toth-Pal, E.
Funding for this research was provided by:
Karolinska Institute
Article History
Received: 14 August 2018
Accepted: 14 April 2019
First Online: 26 April 2019
Compliance with ethical standards
: The Ethical Review Board in Stockholm approved the study (2013-1782-31-4). All participants received written and oral information about the study prior to giving written informed consent to participate.
: None.