RTI International (RTI), a non-profit research organization, is recruiting people to participate in an opinion survey pretest. You will be asked questions about your experience with chronic lymphocytic leukemia (CLL). If you are at least 18 years old and have been told by a doctor that you have chronic lymphocytic leukemia (CLL), you may qualify. The interview will take an hour, and you will be paid $150 if you are eligible and selected for the pretest interview. Please contact us at: email@example.com to see if you are qualified for the interview.