Cho, Se Jin
Suh, Chong Hyun
Baek, Jung Hwan
Chung, Sae Rom
Choi, Young Jun
Lee, Jeong Hyun
Article History
Received: 3 August 2018
Revised: 26 November 2018
Accepted: 22 January 2019
First Online: 26 February 2019
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.
: One of the authors (Chong Hyun Suh) has significant statistical expertise (5 years of experience in a systematic review and meta-analysis).
: Written informed consent was not required for this study because of the nature of our study, which was a systemic review and meta-analysis.
: Institutional Review Board approval was not required because of the nature of our study, which was a systemic review and meta-analysis.
: • performed at one institution