Leppik, Liisa http://orcid.org/0000-0002-8873-0627
Parksepp, Madis
Janno, Sven
Koido, Kati
Haring, Liina
Vasar, Eero
Zilmer, Mihkel
Funding for this research was provided by:
European Regional Development Fund (2014-2020.4.01.15-0012)
Estonian Research Foundation (IUT 20-41, IUT 20-42)
Article History
Received: 22 September 2018
Accepted: 19 December 2018
First Online: 2 January 2019
Compliance with ethical standards
:
: The authors declared no potential conflicts of interest with respect to the research, authorship, and/or publication of this article.
: The protocol of this study was approved by the Ethics Review Committee on Human Research of the University of Tartu (Estonia). All subjects gave written informed consent in accordance with the Declaration of Helsinki.