Identifying distinct subgroups with severe pain in sickle cell disease: A cluster analysis of the GRNDaD multi-center registry - Martha O. Kenney; Samuel Wilson; Morgan Rosser; Sophie Lanzkron; Julie Kanter; Susan Padrino; Payal Desai; Deepa Manwani; Alice Cohen; Stephanie Guarino; Ward Hagar; Joshua Field; et al. (PLoS ONE, 2025)