A study of the geographic distribution and associated risk factors of leg ulcers within an international cohort of sickle cell disease patients: the CASiRe group analysis.

Antwi-Boasiako C, Andemariam B, Colombatti R, Asare EV, Strunk C, Piccone CM, Manwani D, Boruchov D, Farooq F, Urbonya R, Wilson S, Boatemaa GD, Perrotta S, Sainati L, Rivers A, Rao S, Zempsky W, Ekem I, Sey F, Segbefia C, Inusa B, Tartaglione I, Campbell AD