Funding for this research was provided by:
Japan Society for the Promotion of Science (16K10312, 17K10397, 17H04259)
Text and Data Mining valid from 2018-11-08
Received: 6 September 2018
Accepted: 26 October 2018
First Online: 8 November 2018
Compliance with ethical standards
: One of the authors is an employee of Siemens Japan K.K.
: All applicable institutional and/or national guidelines for care were followed.