A Study of High-Dose Vit D Versus Standard of Care Vit D Supplementation
Wake Forest University Health Sciences
Wake Forest University Health Sciences
Washington University School of Medicine
Alliance for Clinical Trials in Oncology
Radiation Therapy Oncology Group
Loyola University
Damanhour University
Institut du Cancer de Montpellier - Val d'Aurelle
University of Kansas Medical Center
Stanford University
Hartford Hospital
Juravinski Cancer Center
Alliance for Clinical Trials in Oncology
Alliance for Clinical Trials in Oncology
Georgetown University
National Heart, Lung, and Blood Institute (NHLBI)
Ottawa Hospital Research Institute
Washington University School of Medicine
Fred Hutchinson Cancer Center