About the Authors

Kentaro Yamamoto

yama-ken@kyudai.jp (KY); hashiya@mindless.com (KH)

Affiliation Graduate School of Human-Environment Studies, Kyushu University, Fukuoka-shi, Fukuoka, Japan

Saori Tanaka

Affiliation School of Education, Kyushu University, Fukuoka-shi, Fukuoka, Japan

Hiromi Kobayashi

Affiliation Faculty of Human-Environment Studies, Kyushu University, Fukuoka-shi, Fukuoka, Japan

Hideki Kozima

Affiliation Department of Spatial Design and Information Systems, School of Project Design, Miyagi University, Kurokawa-gun, Miyagi

Kazuhide Hashiya

yama-ken@kyudai.jp (KY); hashiya@mindless.com (KH)

Affiliation Faculty of Human-Environment Studies, Kyushu University, Fukuoka-shi, Fukuoka, Japan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: KY ST HK KH. Performed the experiments: KY ST. Analyzed the data: KY ST. Contributed reagents/materials/analysis tools: KY ST HK HK KH. Wrote the paper: KY HK KH.