Funding for this research was provided by:
Japan Agency for Medical Research and Development (AMED-15he1202004h0103)
Ministry of Economy, Trade and Industry (METI-20130524)
Text and Data Mining valid from 2019-09-18
Received: 13 December 2018
Accepted: 3 September 2019
First Online: 18 September 2019
: The authors declare that they have no competing interests.