Inclusion Criteria:

- Patients 18 years or older

- Must agree to consume high fat meal and agree to fasting conditions

- Limit alcohol consumption

Exclusion Criteria:

- Patient has a history of drug or alcohol abuse within 5 years of start of study

- Patient is known to have HIV

- Patient has participated in another investigational study within 4 weeks of start of
study

- Patient cannot stop taking certain medications or herbal remedies

- Patient will require immunologic, radiation, surgery, or chemotherapy during the
study

- Patient requires frequent blood transfusions

- Female patient is pregnant or nursing

- Patient has an active Hepatitis B or C infection