National Institutes of Health Consensus Development Project on Criteria for Clinical Trials in Chronic Graft-versus-Host Disease: I. The 2014 Diagnosis and Staging Working Group report. - Jagasia MH; Greinix HT; Arora M; Williams KM; Wolff D; Cowen EW; Palmer J; Weisdorf D; Treister NS; Cheng GS; Kerr H; Stratton P; et al. (Biology of blood and marrow transplantation : journal of the American Society for Blood and Marrow Transplantation, 2015)