Filgrastim Completed Phase 2 Trials for Stage II Adult Hodgkin Lymphoma / Adult Nodular Lymphocyte Predominant Hodgkin Lymphoma / Adult Nodular Sclerosis Hodgkin Lymphoma / Childhood Mixed Cellularity Hodgkin Lymphoma / Adult Lymphocyte Predominant Hodgkin Lymphoma / Childhood Nodular Lymphocyte Predominant Hodgkin Lymphoma / Stage I Childhood Hodgkin Lymphoma / Stage III Childhood Hodgkin Lymphoma / Adult Lymphocyte Depletion Hodgkin Lymphoma / Recurrent/Refractory Childhood Hodgkin Lymphoma / Adult Mixed Cellularity Hodgkin Lymphoma / Stage IV Adult Hodgkin Lymphoma / Stage IV Childhood Hodgkin Lymphoma / Stage I Adult Hodgkin Lymphoma / Recurrent Adult Hodgkin's Lymphoma / Childhood Lymphocyte Depletion Hodgkin Lymphoma / Stage III Adult Hodgkin Lymphoma / Stage II Childhood Hodgkin Lymphoma / Childhood Nodular Sclerosis Hodgkin Lymphoma / Childhood Lymphocyte Predominant Hodgkin Lymphoma Treatment