From the ∗College of Pharmacy, Pusan National University

†Department of Pharmacy, Dong-A University Hospital, Busan, Republic of Korea.

Correspondence to: Nam Kyung Je, PharmD, PhD, Pusan National University, College of Pharmacy, Busandaehakro 63 Bungil 2 Geumjeong-Gu, Busan 46241, Republic of Korea. E-mail: [email protected].

The institutional review board of Pusan National University approved the study (PNU IRB/2021_114_HR).

The authors have no funding or conflicts of interest to disclose.

Authors' contributions: S.H.J. and N.K.J. conceived and designed the study. S.H.J. and T.K. performed the analysis. S.H.J. first drafted the manuscript. All authors participated in drafting the article and approved the final version to be submitted for publication.

There was no financial assistance for the authors' research, authorship, or publication of this article.

The authors used the National Patient Sample from the 2019 Korean Health Insurance Review and Assessment Service (HIRA) (S20211126692). However, the results are irrelevant to the Ministry of Health and Welfare or the HIRA. The authors used the HIRA-NIS data for this study and do not have permission to share these data. Raw data can be accessed with permission from the Health Insurance Review and Assessment Service in Korea (http://opendata.hira.or.kr).

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