Funding for this research was provided by:
Research Institute for Humanity and Nature (No. 14200126)
Kurita Water and Environment Foundation (17K010)
Toyota Foundation (D17-N-0107)
Tohoku Regional Development Association (-)
Japan Society for the Promotion of Science (JP16KK0053, JP17K02105)
Article History
First Online: 16 October 2019
Compliance with Ethical Standards
:
: The authors declare that they have no conflict of interest.