Takagi, Hisato
,
Hari, Yosuke
Nakashima, Kouki
Kuno, Toshiki
Ando, Tomo
Article History
Received: 8 March 2019
Accepted: 24 May 2019
First Online: 29 May 2019
Compliance with ethical standards
:
: None of the authors declare any potential conflict of interest.
: The present study is a meta-analysis of published articles, and neither a human nor animal study that should be approved by the appropriate ethics committee and performed in accordance with the ethical standards laid down in the 1964 Declaration of Helsinki and its later amendments.
: The present study is a meta-analysis of published articles, and accordingly, there are no persons who gave their informed consent prior to their inclusion in the study.