Cluster 61: transplantation solid organ received eligible prior patients history hsct tuberculosis 
Cluster 803: allograft organ transplantation history prior allogeneic immunosuppression transplant transplanted marrow 
Cluster 1670: corneal allograft transplant organ history including transplantation keratitis disease ulceration 
Cluster 2035: transplantation allogeneic organ marrow bone prior solid patients allograft autologous 
Cluster 2382: cord umbilical blood transplant marrow double bone units transplantation donor