Funding for this research was provided by:
Japan Society for the Promotion of Science (19K09225, 17K10649)
Received: 5 December 2019
Accepted: 23 April 2020
First Online: 12 May 2020
Ethics approval and consent to participate
: Animal experiment procedures were approved by Animal Care Committee of Jichi Medical University (No 17005–02) and performed according to the Japanese Guidelines for Animal Research. Immunohistochemistry study protocol was approved by the institutional IRB of Jichi Medical University (Rin A17–164) and written informed consent to participate in this study was obtained from all participants.
: Written informed consent for publication was also obtained from all participants.
: Yasunaru Sakuma is an Associate Editor and Alan Kawarai Lefor is a Section Editor.