Kondo, Tomohiro
Matsumoto, Shigemi http://orcid.org/0000-0001-6453-7489
Doi, Keitaro
Nomura, Motoo
Muto, Manabu
Article History
Received: 21 September 2019
Accepted: 23 December 2019
First Online: 6 January 2020
Ethics approval and consent to participate
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Declaration of Helsinki and its later amendments or comparable ethical standards. For this type of study formal consent is not required.
: Consent for publication was obtained from the patient and institutional consent form was used.
: The authors declare that they have no competing interests.