Footnotes

• HSS and HYS are joint senior authors.

• HSS and HYS contributed equally.

• Contributors HYC drafted the manuscript and figures with input from SWK, JGL, HSS and HYS. HYC and HYS performed statistical analysis. HYC, SWK, JGL, HSS and HYS contributed to the acquisition and analysis of data. All authors critically revised, read and approved the final manuscript.

• Funding This work was supported by the National Research Foundation of Korea (NRF) grant funded by the Korean government (MSIT) (No. NRF-2020R1C1C1010130).

• Competing interests None declared.

• Provenance and peer review Not commissioned; externally peer reviewed.

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