A Study of High-Dose Vit D Versus Standard of Care Vit D Supplementation
Wake Forest University Health Sciences
Wake Forest University Health Sciences
University of Waterloo
Assistance Publique - Hôpitaux de Paris
University Health Network, Toronto
Cairo University
London Health Sciences Centre Research Institute OR Lawson Research Institute of St. Joseph's
Université de Sherbrooke
Changhua Christian Hospital
Florida State University
Xinhua Hospital, Shanghai Jiao Tong University School of Medicine
M.D. Anderson Cancer Center
Min-Sheng General Hospital
University of Aarhus
Shanghai Jiao Tong University School of Medicine
Mayo Clinic
Finnish Breast Cancer Group
Monash University
M.D. Anderson Cancer Center
Children's Hospital of Eastern Ontario
Medical University of South Carolina
University of Pittsburgh
St. Jude Children's Research Hospital
University of British Columbia
University of Minnesota
Alliance for Clinical Trials in Oncology
Alliance for Clinical Trials in Oncology
NYU Langone Health
Alliance for Clinical Trials in Oncology
Alliance for Clinical Trials in Oncology
University of North Carolina, Chapel Hill
AHS Cancer Control Alberta
University of Pittsburgh
OHSU Knight Cancer Institute
University of Pittsburgh
City of Hope Medical Center
Karolinska Institutet
Karolinska Institutet
Hospices Civils de Lyon
University of Rochester
State University of New York - Upstate Medical University
Duke University
University of Wisconsin, Madison
Assistance Publique - Hôpitaux de Paris
OHSU Knight Cancer Institute
Rutgers, The State University of New Jersey
Northwestern University
University of Aarhus
Memorial Sloan Kettering Cancer Center
Wirral University Teaching Hospital NHS Trust
Wirral University Teaching Hospital NHS Trust