Assessing disparities through missing race and ethnicity data: results from a juvenile arthritis registry oleh Katelyn M. Banschbach, Katelyn M. Banschbach, Jade Singleton, Xing Wang, Sheetal S. Vora, Julia G. Harris, Ashley Lytch, Nancy Pan, Nancy Pan, Julia Klauss, Danielle Fair, Erin Hammelev, Mileka Gilbert, Connor Kreese, Ashley Machado, Peter Tarczy-Hornoch, Peter Tarczy-Hornoch, Peter Tarczy-Hornoch, Esi M. Morgan, Esi M. Morgan