Corrigendum to "Phase 1/2 trial of glasdegib in patients with primary or secondary myelofibrosis previously treated with ruxolitinib" [Leukemia Res. 79 (2019) 38–44]. (June 2019) - Gerds, Aaron T.; Tauchi, Tetsuzo; Ritchie, Ellen; Deininger, Michael; Jamieson, Catriona; Mesa, Ruben; Heaney, Mark; Komatsu, Norio; Minami, Hironobu; Su, Yun; Shaik, Naveed; Zhang, Xiaoxi; et al.