1 Abigail Wexner Research Institute and Division of Rheumatology, Nationwide Children's Hospital and Department of Pediatrics, The Ohio State University, Columbus, OH, USA. chack-yung.yu@nationwidechildrens.org.
2 Department of Pediatrics and Department of Internal Medicine, The Ohio State University, Columbus, OH, USA. Stacy.Ardoin@osumc.edu.
3 Division of Rheumatology, Nationwide Children's Hospital and Wexner Medical Center, Columbus, OH, USA. Stacy.Ardoin@osumc.edu.