1. BK21 Plus Program, Department of Senior Healthcare, Graduate School, Eulji University, Daejeon 34824, Korea
2. Department of Convergence Medicine, Asan Institute for Life Sciences, Asan Medical Center, University of Ulsan College of Medicine, Seoul 05505, Korea
3. Department of Biomedical Laboratory Science, College of Health Science, Eulji University, Seongnam 13135, Korea