British Committee for Standards in Haematology guidelines for aplastic anemia: Single centre retrospective review finds no compelling evidence for the recommended higher platelet count threshold of 20 × 109/L ‐ RESPONSE to Yan et al. (23rd May 2017) - Killick, Sally B.; Bown, Nick; Cavenagh, Jamie; Dokal, Inderjeet; Foukaneli, Theodora; Hillmen, Peter; Ireland, Robin; Kulasekararaj, Austin; Mufti, Ghulam; Snowden, John A; Samarasinghe, Sujith; Wood, Anna; et al.