Inclusion Criteria:

- Patients must have completed surgical treatment for his/her primary disease at least
1 month prior to enrollment

- Patient must not be pregnant 3 days prior to enrollment

Exclusion Criteria:

- Patient is currently participating or has participated in a study with an
investigational compound or device within 30 days of signing informed consent

- Patient has had their spleen removed or has a history of autoimmune disorders

- Patient is a regular user of any illicit drugs or has used within the past year of
drug or alcohol abuse

- Patient is pregnant or breastfeeding or is expecting to conceive anytime following
the study

- Patient is known to be Human Immunodeficiency Virus (HIV)-seropositive

- Patient has a known history of Hepatitis B or C

- Patient has received a vaccine for any disease or condition within one month of
enrollment

- Patient has a primary central nervous system tumor.