- Correspondence to Professor Neung Hwa Park, Department of Internal Medicine, University of Ulsan College of Medicine, Ulsan University Hospital, Ulsan 44033, Republic of Korea; and Professor Hyug Moo Kwon, School of Life Sciences, Ulsan National Institute of Science and Technology, Ulsan 44919, Republic of Korea;
- Received September 26, 2017
- Revised December 18, 2017
- Accepted December 19, 2017
- First published February 2, 2018.
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