1. Laboratory of Metabolism, National Cancer Institute, National Institutes of Health, Bethesda, Maryland, USA
2. Division of Magnetic Resonance, Korea Basic Science Institute, Ochang, Republic of Korea
3. Disease Target Structure Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon, Republic of Korea
4. Laboratory of Proteomics and Analytical Technologies, Frederick National Laboratory for Cancer Research, Frederick, Maryland, USA
5. Department of Biochemistry and Molecular Biology, Mayo Clinic, Rochester, Minnesota, USA
6. Department of Pediatric and Adolescent Medicine, Mayo Clinic, Rochester, Minnesota, USA