1. Department of Dermatology Seoul National University College of Medicine SeoulKorea
2. Institute of Human-Environment Interface BiologyMedical Research CenterSeoul National University Seoul Korea
3. Laboratory of Cutaneous Aging and Hair ResearchBiomedical Research InstituteSeoul National University Hospital Seoul Korea
4. Transplantation Research Institute, Medical Research CenterSeoul National University College of Medicine Seoul Korea
5. Department of Pathology and Graduate Course of Translational MedicineSeoul National University College of Medicine Seoul Korea
6. Department of Internal MedicineSeoul National University College of Medicine; Transplantation CenterSeoul National University Hospital Seoul Korea
7. Department of Laboratory MedicineSeoul National University College of Medicine Seoul Korea
8. Department of Laboratory MedicineBoramae Hospital Seoul Korea
9. Seoul Metropolitan Government Public Cord Blood Bank Seoul Korea