1. Laboratory of Immunogenetics, Tzu Chi Cord Blood Bank, Buddhist Tzu Chi Bone Marrow Donor Registry, Buddhist Tzu Chi Stem Cells Centre, Hualien Tzu Chi Hospital; Hualien Taiwan, Republic of China
2. Department of Laboratory Medicine; Buddhist Tzu Chi University; Hualien Taiwan, Republic of China
3. C.W. Bill Young Department of Defense Marrow Donor Recruitment and Research Program; Georgetown University; Rockville Maryland