Yoon, Chang Ki
Sagong, Min
Shin, Jae Pil
Lee, Sang Joon
Lee, Joo Eun
Lee, Ji Eun
Chung, Inyoung
Jeong, Woo Jin
Pak, Kang Yeun
Kim, Hyun Woong http://orcid.org/0000-0003-2595-601X
Article History
Received: 19 August 2020
Accepted: 21 December 2020
First Online: 15 January 2021
Ethics approval and consent to participate
: All study conduct adhered to the tenets of the Declaration of Helsinki, and the study protocol was approved by the Institutional Review Board of each site. (DAUHIRB-15-033<sup>1</sup>, 129792-2015-020<sup>2</sup>, 14-0224<sup>3</sup>, 2015-02-002<sup>4</sup>, 2015-03-018<sup>5</sup>, KNUH 2015-03-015<sup>6</sup>, 91961-ABG<sup>7</sup>, 1503-006-040<sup>8</sup>)<sup>1</sup>Dong-A University Hospital, <sup>2</sup>Inje Univertisy, Haeundae Paik hospital, <sup>3</sup>Inje University Pusan Paik hospital, <sup>4</sup>Gyeongsang National University Hospital, <sup>5</sup>Yeungnam University College of Medicine, <sup>6</sup>Kyungpook National University, <sup>7</sup>Kosin University college of medicine, Gospel Hospital, <sup>8</sup>College of Medicine, Pusan National University.Written informed consent was obtained from all individual patients included in the study.
: This study adheres to CONSORT guidelines
: Not applicable.
: None of the authors has any financial/conflicting interests to disclose.