An inner ring is configured to simultaneously ensure the strength thereof and the dimensional accuracy of a female spline portion of a shaft hole thereof in the case where the female spline portion is subjected to heat treatment. A user interface with policies and rules is operative with a controller for an optical emitter to automatically provide and adjust the brightness and contrast level, select optimal regions for placement of the progress image, and generate the optical image which is displayed in superposition with, or adjacent to, the presentation image. The bus connection control unit releases blockage when a response signal for the dummy read command signal is received. Objects in the data structure are retrieved and the application is informed of assigned handles thereby enabling the application to access retrieved objects. At any point along the height of the capillary reservoir device, all cross-sectional dimensions and areas are uniformly reduced. The pharmaceutical composition can be used in a method for providing sustained release of a chemokine to subject by contacting the subject with the pharmaceutical composition.