We would like to add the grant information as written below.
ACKNOWLEDGEMENTS
National Health Information data were provided by the National Health Insurance Service (NHIS) of Korea. The authors would like to thank the NHIS for their cooperation. This study was supported by a research grant from the Korean Healthcare Technology R&D project funded by the Ministry of Health & Welfare (HI15C1200, HC19C0130, HI19C0622) and a CMB-Yuhan research grant from Yonsei University College of Medicine (6-2019-0124).