Mae, Tatsuo http://orcid.org/0000-0003-4586-9423
Nakata, Ken
Kumai, Tsukasa
Ishibashi, Yasuyuki
Suzuki, Tomoyuki
Sakamoto, Takamitsu
Ohori, Tomoki
Hirose, Takehito
Yoshikawa, Hideki
Funding for this research was provided by:
Olympus
Article History
Received: 5 April 2019
Accepted: 3 July 2019
First Online: 25 July 2019
Ethics approval
: Not applicable (All materials purchased from a butcher.)
: Not applicable.
: This work was financially and technically supported by Olympus. The ultrasonic devices were provided by Olympus.There are no additional competing interests and none of abovementioned companies influenced the study design, data collection, or data interpretation.