Updates are available Correction dated 2019-07-29

Article History

Received: 9 October 2018

Revised: 27 October 2018

Accepted: 4 December 2018

First Online: 22 March 2019

Change Date: 29 July 2019

Change Type: Correction

Change Date: 29 July 2019

Change Type: Correction

Change Type: Correction

Change Type: Correction

Change Details: The original version of this article, published on 22 March 2019, unfortunately contained a mistake. The following correction has therefore been made in the original: Affiliations 1 and 2 were presented incorrectly.

Change Details: The original version of this article, published on 22 March 2019, unfortunately contained a mistake. The following correction has therefore been made in the original: Affiliations 1 and 2 were presented incorrectly.

Change Date: 29 July 2019

Change Details: The original version of this article, published on 22 March 2019, unfortunately contained a mistake. The following correction has therefore been made in the original: Affiliations 1 and 2 were presented incorrectly.

Change Details: The original version of this article, published on 22 March 2019, unfortunately contained a mistake. The following correction has therefore been made in the original: Affiliations 1 and 2 were presented incorrectly.

Change Date: 29 July 2019

Compliance with ethical standards

:

: The scientific guarantor of this publication is Hyun Ok Kim.

: The authors declare that they have no conflict of interest.

: Professor Kim Rock Bum kindly provided statistical advice for this manuscript.

: Written informed consent was waived by the Gyeongsang National University Hospital Institutional Review Board.

: Gyeongsang National University Hospital Institutional Review Board approval was obtained.

: • retrospective• diagnostic or prognostic study• performed at one institution