Funding for this research was provided by:
Japan Society for the Promotion of Science (JP15K13568)
Research Institute for Sustainable Humanosphere, Kyoto University (JP) (Mission-linked research)
Text and Data Mining valid from 2019-03-29
Received: 1 November 2018
Accepted: 22 February 2019
First Online: 29 March 2019
: LK is a professor in the Department of Aerospace Engineering Sciences at the University of Colorado, Boulder, USA. HL is an associate professor at Universite de Toulon, Toulon, France. HH is a professor at RISH, Kyoto University, Uji, Japan. AD is a graduate student at the University of Colorado, Boulder, USA.
: The authors declare that they have no competing interests.
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