1. Department of Integrated Biomedical and Life Sciences, Graduate School, Korea University, Seoul 02841, Korea
2. Biomedical Research Institute, Seoul National University, Seoul 03080, Korea
3. Central Blood Laboratory Center, Korea Red Cross, Seoul 07559, Korea
4. Department of Senior Healthcare, Graduate School, Eulji University, Daejeon 34824, Korea
5. Department of Clinical Laboratory Science, Donga College of Health, Yeongam 58439, Korea