A method, apparatus, and program product retrieve data for a task utilizing demand-based direct memory access requests. The invention provides a system that allows users, and health care professionals to track the location and intensity of a patient’s pain and the corresponding symptoms, lifestyle and medication usage over a period of time. Beads containing a second adhesive are dispensed in two or more discrete locations around an inside perimeter of each chip pocket. The mobile node simultaneously processes control subchannels received from two base stations using one physical layer module.