Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
Qilu hospital, Shandong University, Jinan, Shandong, China
Armed Forces Bone Marrow Transplant Centre, Rawalpindi, Punjab, Pakistan
Children's Healthcare of Atlanta, Atlanta, Georgia, United States
Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, United States
Nationwide Children's Hospital, Columbus, Ohio, United States
Asan Medical Center, Seoul, Asanbyeongwon-gil, songpa-gu, Korea, Republic of