Seoul National University - Department of Anatomy and Cell Biology, Seoul National University - Department of Anatomy and Cell Biology, Sunchon National University, Seoul National University - Department of Anatomy and Cell Biology, Seoul National University - Department of Anatomy and Cell Biology, Seoul National University - Department of Anatomy and Cell Biology, Sungkyunkwan University - Division of Hematology-Oncology, Sungkyunkwan University - Department of Pathology, University of Ulsan - Department of Pathology, Seoul National University - Department of Biomedical Sciences, Seoul National University - Department of Biomedical Sciences, Yale University - Department of Internal Medicine, Seoul National University - Department of Anatomy and Cell Biology and Seoul National University - Department of Anatomy and Cell Biology