Jose A. Pérez-Simón, Gabriel Afram, Rodrigo Martino, Jose L Piñana, Teresa Caballero-Velazquez, Olle Ringden, David Valcarcel, Dolores Caballero, Mats Remberger, Yanira de Paz, Jordi Sierra, Jesús San Miguel, and Hans Hagglund. 2012. “Evaluation of Prognostic Factors Among Patients With Chronic Graft-Versus-Host Disease”. Haematologica 97 (8). Pavia, Italy, 1187-95. https://doi.org/10.3324/haematol.2011.055244.