Issue 117(1-2) Author(s) Rui Matsumoto, Yosuke Matsumoto, Keiichi Ueda, Miwa Suzuki, Kiyoshi Asahina, and Keiichi Sato Cover date 2019 PDF matsumoto_1_0.pdf DOI 10.7755/FB.117.1-2.9 Pages 78-86 Published online 26 April 2019 Supplementary video matsumoto_suppvideo.pdf 10.7755/FB.117.1-2.9s1 Supplementary table matsumoto_supptable.pdf 10.7755/FB.117.1-2.9s2