Ten-year-old Kailee Wells who was dying from bone marrow failure but survived thanks to a transplant finally met her bone marrow donor-Wang Lin.

• 美籍华裔10岁小女孩凯丽由于找到了合适的骨髓配型，而获得了第二次生命，她终于在康复后见到给了自己第二次生命的捐赠者-汪霖。