Häkkilä, Matti http://orcid.org/0000-0003-0583-332X
Savilaakso, Sini
Johansson, Anna
Sandgren, Terhi
Uusitalo, Anne
Mönkkönen, Mikko
Puttonen, Pasi
Funding for this research was provided by:
Finnish Forest Foundation (2018070301)
Article History
Received: 21 February 2019
Accepted: 31 July 2019
First Online: 6 August 2019
Ethics approval and consent to participate
: Not applicable.
: Not applicable.
: The authors declare that they have no competing interests.