Funding for this research was provided by:
Japan Agency for Medical Research and Development (18ck0106373h0002)
Text and Data Mining valid from 2019-09-10
Received: 2 May 2019
First Online: 10 September 2019
Compliance with ethical standards
: HM and EK are employees of Nihon Medi-Physics Co., Ltd. All the other authors declare that they have no conflict of interests.