Funding for this research was provided by:
Korea Health Industry Development Institute (HI17C1142)
Text and Data Mining valid from 2019-04-25
Received: 14 September 2018
Accepted: 12 April 2019
First Online: 25 April 2019
Ethics approval and consent to participate
: Informed consent was obtained from all patients and the protocol used in this study was approved by the Institutional Review Board (IRB) Committee of Kyungpook National University Chilgok Hospital, Daegu, Republic of Korea (2018-06-014). And the specific inclusion and exclusion criteria were defined in the approved IRB protocol. The informed consents were obtained by written documents from all patients.
: Not applicable.
: The authors declare that they have no competing interests.
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