Development of a severity classification system for sickle cell disease

Nirmish Shah, David Beenhouwer, Michael S. Broder, Lanetta Bronte-Hall, Laura M. De Castro, Sarah N. Gibbs, Victor R. Gordeuk, Julie Kanter, Elizabeth S. Klings, Thokozeni Lipato, Deepa Manwani, Brigid Scullin, Irina Yermilov, Wally R. Smith