cHL COHORT ONLY: history of allogeneic transplant Prior allogeneic transplant History of allogeneic organ transplant Subject with a history of organ transplant or allogeneic bone marrow transplant; Prior allogeneic transplant History of allogeneic organ transplant History of allogeneic organ transplant Participant has had a prior allogeneic transplant. History of allogeneic organ transplant Has a history of primary immunodeficiency or an allogeneic organ transplant History of primary immunodeficiency, history of allogeneic organ transplant that requires therapeutic immunosuppression Prior allogeneic transplant, within the last years History of allogeneic organ transplant History of allogeneic organ transplant History of allogeneic organ transplant History of allogeneic organ transplant History of allogeneic organ transplant History of allogeneic organ transplant. History of allogeneic organ transplant History of allogeneic organ transplant History of allogeneic organ transplant History of allogeneic organ transplant History of allogeneic organ transplant History of allogeneic organ transplant. History of allogeneic organ transplant History of allogeneic organ transplant History of allogeneic organ transplant History of allogeneic organ transplant History of allogeneic organ transplant Prior allogeneic transplant History of allogeneic organ transplant or autoimmune disease History of allogeneic organ transplant Prior allogeneic transplant History of allogeneic organ transplant History of allogeneic organ transplant History of allogeneic organ transplant History of allogeneic organ transplant History of allogeneic organ transplant Willingness to have an allogeneic transplant PART : History of prior allogeneic transplant History of allogeneic organ transplant Prior allogeneic transplant History of allogeneic organ transplant. History of allogeneic organ transplant History of allogeneic organ transplant History of allogeneic organ transplant Subject has a history of organ transplant or allogeneic bone marrow transplant; History of allogeneic organ transplant Prior allogeneic transplant History of allogeneic organ transplant History of allogeneic organ transplant History of allogeneic organ transplant History of allogeneic organ transplant History of allogeneic organ transplant History of allogeneic organ transplant History of allogeneic organ transplant History of allogeneic organ transplant History of allogeneic organ transplant Previously received an allogeneic transplant Prior allogeneic transplant History of allogeneic organ transplant Prior allogeneic transplant History of allogeneic organ transplant Prior allogeneic transplant Receipt of an allogeneic transplant. History of having received allogeneic organ transplant Previously received an allogeneic transplant. Any prior allogeneic transplant. History of allogeneic organ transplant Prior allogeneic transplant History of allogeneic organ transplant Prior allogeneic transplant Prior allogeneic transplant Patients who have received a prior allogeneic transplant will be excluded Subject has had prior allogeneic transplant. Has received an allogeneic transplant in the past; scheduled to receive a second allogeneic transplant