Lan, Hangzhen
Zhang, Wenzhong
Smått, Jan-Henrik
Koivula, Risto T.
Hartonen, Kari
Riekkola, Marja-Liisa http://orcid.org/0000-0001-7519-9892
Funding for this research was provided by:
Research Council for Natural Sciences and Engineering, Academy of Finland (grant no. 307331)
Distinguished International Students Scholarship (grant no. 201508330310)
Article History
Received: 7 February 2019
Accepted: 19 May 2019
First Online: 11 June 2019
Compliance with ethical standards
: The author(s) declare that they have no competing interests.