Lara S. Shekerdemian, Nabihah R. Mahmood, Katie K. Wolfe, Becky J. Riggs, Catherine E. Ross, Christine A. McKiernan, Sabrina M. Heidemann, Lawrence C. Kleinman, Anita I. Sen, Mark W. Hall, Margaret A. Priestley, John K. McGuire, Konstantinos Boukas, Matthew P. Sharron, Jeffrey P. Burns; for the International COVID-19 PICU Collaborative