If you are interested in participating, or want to find out more about the study or clinical trials in general, there are 2 ways to get more information:

• If you live in the United States, please call the National Cancer Institute's Cancer Information Service toll-free at 1-800-4-CANCER (1-800-422-6237). The number for callers with TTY equipment is 1-800-332-8615.
• If you live in Canada, please call the Canadian Cancer Society's Cancer Information Service toll-free at 1 888 939-3333.

For media enquiries contact: kramlall@cancer.ca

For website enquiries contact: excelstudy@ctg.queensu.ca

For questions about NCIC CTG contact: excelstudy@ctg.queensu.ca