Funding for this research was provided by:
Japan Society for the Promotion of Science (26861780, 26860160, 26462809)
Text and Data Mining valid from 2017-05-08
Received: 11 March 2017
Accepted: 20 April 2017
First Online: 8 May 2017
Compliance with ethical standards
: The authors declare that they have no conflict of interest.
: This work was supported by JSPS KAKENHI grant numbers 26462809, 26860160, 26861780. N.N.T. is a research fellow of the Japan Society for the Promotion of Science.
: All applicable international, national, and/or institutional guidelines for the care and use of animals were followed. The Protocol was approved by the Animal Care and Use Committee at Osaka University.