Methods are provided for mitigating interference due to pilot contamination in a cellular network in which there is reuse of pilot signals. The oil-in-water emulsion is formed by combining oil, water, solid particles and a pH enhancing agent and mixing until the solid-stabilized oil-in-water emulsion is formed. A knob is located on the slide and has a grip protruding from one side to allow the slide to be slid to permit access to the latch or, using a latch strike extending from the slide, engage the latch to open the door. A therapy optimization method evaluates the LVA during varying therapy settings and selects the setting that correspond to a maximum LVA during isovolumic contraction. The additional information may include error correction information. The lower endcap utilizes a simple radial seal gasket which is both highly effective and also positioned to avoid structural crushing forces on the cartridge.