Ganciclovir Completed Phase 2 Trials for Chronic Myeloproliferative Disorders / Myelodysplastic Syndromes / Smith-Magenis Syndrome / Myelodysplastic/Myeloproliferative Diseases / Multiple Myeloma (MM) / Multiple Myeloma and Plasma Cell Neoplasm / Leukemias / Myelodysplastic/Myeloproliferative Neoplasm, Unclassifiable / Malignant Lymphomas Supportive Care