Background and Aims
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Publication stageIn Press Journal Pre-Proof
Grant support: This work was supported by grant no. 2020-01 Seoul National University Hospital Gangnam Center Research Fund. The Seoul National University Hospital Gangnam Center Research Fund had no role in the study design, collection, analysis, and interpretation of data.
JYS and MSK contributed to the study conception and design, acquisition and interpretation of the data, drafting of the manuscript and statistical analysis. HTH contributed to the study design, analysis and interpretation of the data, and drafting of the manuscript. WSR and DK contributed to the analysis and interpretation of data and critical revision of the manuscript for important intellectual content. JC contributed to the acquisition of data and critical revision of the manuscript for important intellectual content.