1. The Abigail Wexner Research Institute, Nationwide Children's Hospital, The Ohio State University, Columbus, Ohio, USA.
2. Department of Medical Psychology, Amsterdam University Medical Centers, Cancer Center Amsterdam, Amsterdam, The Netherlands.
3. Department of Pediatrics, Emory University School of Medicine and Aflac Cancer and Blood Disorders Center, Children's Healthcare of Atlanta, Atlanta, Georgia, USA.
4. New York University School of Medicine, New York, New York, USA.
5. Department of Pediatrics, The Ohio State University, Columbus, Ohio, USA.
6. Nationwide Children's Hospital, The Ohio State University, Columbus, Ohio, USA.