The University of Michigan Health System, Ann Arbor, Michigan, United States
W.K. Kellogg Eye Center, Ann Arbor, Michigan, United States
University of Michigan Hospital, Ann Arbor, Michigan, United States
University of Michigan Hospital, Ann Arbor, Michigan, United States
University of Michigan Hospital, Ann Arbor, Michigan, United States
Penn State Children's Hospital, Hershey, Pennsylvania, United States
Birmingham Children's Hospital, Birmingham, United Kingdom
Evalina Children's at Guys's and St. Thomas' Hospital, London, United Kingdom
University of California Los Angeles, Los Angeles, California, United States
Children's Memorial Hospital, Chicago, Illinois, United States
Children's Hospital and Clinics of Minnesota, Minneapolis, Minnesota, United States
University of Michigan University Hospital, Ann Arbor, Michigan, United States
University of Michigan, Ann Arbor, Michigan, United States