1. Associate Professor, Department of Nursing Science, Sunmoon University, Asan, Korea.
2. Research Assistant, Department of Internal Medicine, University of Kentucky, Lexington, Kentucky, USA.
3. Associate Professor, Division of Immunology, Carver College of Medicine, University of Iowa, Iowa City, Iowa, USA.
4. Associate Professor, Division of Biomedical Informatics, College of Medicine, University of Kentucky, Lexington, Kentucky, USA.