1. Division of Metabolic Disease, Center for Biomedical Sciences, National Institutes of Health, Cheongju 28159, Korea
2. Department of Biochemistry and Molecular Biology, Integrated Genomic Research Center for Metabolic Regulation, Institute of Genetic Science, Yonsei University College of Medicine, Seoul 03722, Korea
3. Brain Korea 21 PLUS Project for Medical Science, Yonsei University, Seoul 03722, Korea
4. Severance Biomedical Science Institute, Yonsei University College of Medicine, Seoul 03722, Korea