1,938
Participants
Start Date
July 1, 1999
Primary Completion Date
June 5, 2020
Study Completion Date
June 5, 2020
Questionnaire
Questionnaire
Hermann Professional Building Clinic, Houston
LBJ Hospital, Houston
Texas Medical Center Clinic, Houston
University of Texas MD Anderson Cancer Center, Houston
Vancouver General Hospital/British Columbia Cancer Agency, Vancouver
National Cancer Institute (NCI)
NIH
M.D. Anderson Cancer Center
OTHER