Beckman Coulter, Korea supplied all reagents and calibrators used in this study.
Author contributions: This study was designed and organized by SM Lee, KR Jun, and HH Kim. SY Moon wrote the first draft and performed statistical analysis. N Kim, SM Lee, S Yu, and KR Jun reviewed participants’ health check-up results and decided which individuals to include. The final manuscript was reviewed, edited, and approved by all authors. All the authors have accepted responsibility for the entire content of this submitted manuscript and approved submission.
Research funding: HH Kim, KR Jun, and SM Lee received additional research funding for this study from Beckman Coulter, Korea.
Employment or leadership: None declared.
Honorarium: None declared.
Competing interests: The funding organization(s) played no role in the study design; in the collection, analysis, and interpretation of data; in the writing of the report; or in the decision to submit the report for publication.
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