1. Department of Pediatrics; Children's Hospital of Wisconsin of the Children's Research Institute/Medical College of Wisconsin, Hematology/Oncology/Bone Marrow Transplantation; Milwaukee, Wisconsin
2. Department of Pediatric Dentistry and Orthodontics; Faculty of Dentistry, Federal University of Minas Gerais; Belo Horizonte, MG Brazil
3. Department of Pediatrics; University of Texas Southwestern Medical Center/Children's Medical Center; Dallas, Texas
4. Baylor College of Medicine/Texas Children's Hospital; Houston, Texas
5. Jonathan Jaques Children's Cancer Center/Miller Children's Hospital Long Beach; Long Beach, California
6. University of Alabama at Birmingham/Children's Hospital of Alabama; Birmingham, Alabama
7. Department of Pediatrics, College of Medicine, Department of Landscape Architecture and Urban Planning; College of Architecture, Texas A&M University, College Station; Texas