Affiliations

• ¹ Cincinnati Children's Hospital Medical Center, University of Cincinnati, Cincinnati, OH. Electronic address: Don.Hayes@cchmc.org.
• ² British Columbia Children's Hospital, University of British Columbia, Vancouver, Canada; Lucile Packard Children's Hospital, Stanford University, Stanford, CA.
• ³ Great Ormond Street Hospital for Children, London, UK.
• ⁴ Boston Children's Hospital, Boston, MA.
• ⁵ The Alfred, Melbourne, AU.
• ⁶ UPMC Children's Hospital of Pittsburgh, Pittsburgh, PA.
• ⁷ The Hospital for Sick Children, Toronto, Canada.
• ⁸ Saint Louis Children's Hospital, St. Louis, MO.
• ⁹ Texas Children's Hospital, Houston, TX.
• ¹⁰ Cincinnati Children's Hospital Medical Center, University of Cincinnati, Cincinnati, OH.
• ¹¹ Children's Hospital of Philadelphia, Philadelphia, PA.
• ¹² Lucile Packard Children's Hospital, Stanford University, Stanford, CA.
• ¹³ Hannover Medical School, Hannover, DE.
• ¹⁴ KU Leuven, Leuven, BE.
• ¹⁵ Central and North West London NHST Foundation Trust, London, UK.
• ¹⁶ University Medical Center Groningen, Groningen, NL.
• ¹⁷ Nationwide Children's Hospital, Columbus, OH.
• ¹⁸ Cleveland Clinic, Weston, FL.
• ¹⁹ University of Zurich, Zurich, CH; Boston Children's Hospital and Harvard Medical School, Boston, MA.