1Department of Sports Science, Daejin University, Pocheon, Korea.
2Department of Internal Medicine, Eulji University School of Medicine, Daejeon, Korea.
3Department of Internal Medicine, College of Medicine, The Catholic University of Korea, Seoul, Korea.
4Department of Endocrinology of Metabolism, Gachon University College of Medicine, Incheon, Korea.
5Department of Endocrinology and Metabolism, Ajou University School of Medicine, Suwon, Korea.
6Division of Endocrinology and Metabolism, Department of Internal Medicine, College of Medicine, The Catholic University of Korea, Seoul, Korea.
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