Ashraf, Faisal Bin
Haghighi, Ali Torabi
Riml, Joakim http://orcid.org/0000-0003-2716-4446
Alfredsen, Knut http://orcid.org/0000-0002-4076-8351
Koskela, Jarkko J.
Kløve, Bjørn
Marttila, Hannu
Article History
Received: 14 May 2018
Accepted: 5 November 2018
First Online: 22 November 2018
Competing Interests
: The authors declare no competing interests.