Funding for this research was provided by:
Japan Society for the Promotion of Science (17K19908, 17K19908, 17K19908)
Received: 17 February 2019
Revised: 2 June 2019
Accepted: 3 June 2019
First Online: 14 June 2019
Compliance with ethical standards
: This study was approved by the Institutional Animal Care and Use Committee (Permission number: P130408) and carried out according to the Kobe University Animal Experimentation Regulations.
: The authors declare that they have no conflict of interest.