Nishimura, Ken
Ishiwata, Hiroshi
Sakuragi, Yuta
Hayashi, Yohei
Fukuda, Aya
Hisatake, Koji
Article History
Received: 9 March 2018
Accepted: 11 December 2018
First Online: 11 February 2019
Competing Interests
: H.I. is employed by Olympus Corporation and developed the RM-DIC and PD imaging systems. These systems were provided without compensation by Olympus Corporation.