Yamashita, Yasunobu
Kitano, Masayuki http://orcid.org/0000-0001-6885-9223
Article History
Received: 31 March 2019
Accepted: 12 May 2019
First Online: 6 August 2019
Compliance with ethical standards
:
: As this is a review article based on published literature, no ethics approval was required.
: Masayuki Kitano has received honoraria for speaking lectures at conferences from Olympus Corporation.