Okachi, Shotaro http://orcid.org/0000-0003-1869-7953
Imaizumi, Kazuyoshi
Imai, Naoyuki
Shimizu, Takahiro
Hase, Tetsunari
Morise, Masahiro
Hashimoto, Naozumi
Sato, Mitsuo
Hasegawa, Yoshinori
Funding for this research was provided by:
Japan Society for the Promotion of Science (15K19282)
Article History
Received: 15 December 2017
Accepted: 31 January 2018
First Online: 12 February 2018
Compliance with ethical standards
:
: The authors declare no conflict of interest.
: The study was approved by the institutional review board (approved number; 2017-0018).
: Although specific informed consent was not required for this retrospective study, an informed consent for each bronchoscopy was obtained before the procedure.