Äyräväinen, Leena http://orcid.org/0000-0001-6041-3593
Heikkinen, Anna Maria http://orcid.org/0000-0003-3252-192X
Kuuliala, Antti http://orcid.org/0000-0002-3190-207X
Ahola, Kirsi
Koivuniemi, Riitta
Peltola, Jaakko
Suomalainen, Anni
Moilanen, Eeva http://orcid.org/0000-0003-1284-3008
Hämäläinen, Mari http://orcid.org/0000-0002-6409-3758
Laasonen, Leena
Meurman, Jukka H. http://orcid.org/0000-0001-6702-6836
Leirisalo-Repo, Marjatta http://orcid.org/0000-0002-1568-9045
Funding for this research was provided by:
Helsinki University Hospital Research Funds (TYH5231, TYH2008232, TYH2011115, TYH2013328, TYH2014225, TYH2015119)
National Graduate School of Musculosceletal Disorders and Biomaterials
The Medical Society of Finland
Medicinska Understödsföreningen Liv och Hälsa
Article History
Received: 14 May 2018
Accepted: 16 July 2018
First Online: 24 July 2018
Compliance with ethical standards
:
: Author Leena Äyräväinen, Author Anna Maria Heikkinen, Author Antti Kuuliala, Author Kirsi Ahola, Author Riitta Koivuniemi, Author Jaakko Peltola, Author Anni Suomalainen, Author Eeva Moilanen, Author Mari Hämäläinen, Author Leena Laasonen, Author Jukka H. Meurman and Author Marjatta Leirisalo-Repo declare that they have no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from all individual participants included in this study.