1Division of Endocrinology and Metabolism, Department of Internal Medicine, Pusan National University Hospital, Pusan National University School of Medicine, Busan, Korea.
2Biomedical Research Institute, Pusan National University Hospital, Busan, Korea.
3Division of Endocrinology, Diabetes, and Metabolism, Department of Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA.
4Department of Physical Education, Kyungnam University College of Education, Changwon, Korea.
5Department of Marine Sports, Pukyong National University, Busan, Korea.
6Nutrition Service Team, Pusan National University Hospital, Busan, Korea.
7Kim Yong Ki Internal Medicine Clinic, Busan, Korea.
8Division of Nephrology, Department of Internal Medicine, Pusan National University Hospital, Pusan National University School of Medicine, Busan, Korea.
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