Aggressive systemic mastocytosis: midostaurin is safe, feasible and associated with durable response post‐haploidentical allogeneic stem cell transplant. (21st May 2019) - Martynova, Anastasia; Nael, Ali; O`Neill, Caitlin; Ramsingh, Giridharan; Merchant, Akil; Yaghmour, Bassam; Yaghmour, George