Ha, Eun Ju
Suh, Chong Hyun
Baek, Jung Hwan
Article History
Received: 20 December 2017
Revised: 30 January 2018
Accepted: 1 February 2018
First Online: 27 March 2018
Compliance with ethical standards
:
: The scientific guarantor of this publication is Jung Hwan Baek.
: The authors of this manuscript declare no relationships with any companies whose products or services may be related to the subject matter of the article.
: Chong Hyun Suh performed statistical analysis for this paper.
: Written informed consent was not required for this study because this study was designed as a systematic review with meta-analysis.
: Institutional Review Board approval was not required because this study was designed as a systematic review with meta-analysis.
: • systematic review with meta-analysis