Ohtani, Kazuhiro
Hisasaka, Tetsuya
Funding for this research was provided by:
Japan Society for the Promotion of Science (16H06406)
Article History
Received: 23 August 2017
Accepted: 24 June 2018
First Online: 6 August 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: Informed consent was not required, as the study was a meta-analysis and collected and synthesized data from previous studies in which informed consent was provided.