Tiitta, M.
Tiitta, V.
Gaal, M.
Heikkinen, J.
Lappalainen, R.
Tomppo, L.
Funding for this research was provided by:
Business Finland (Project 4619/31/2016)
Article History
Received: 27 December 2019
First Online: 28 May 2020
Compliance with ethical standards
:
: The authors declare no conflict of interest. The funder had no role in the design of the study; in the collection, analyses, or interpretation of data; in the writing of the manuscript, or in the decision to publish the results.