A security tag is configured to releasably attach to an article. The conductive loaded resin-based material comprises micron conductive powder, conductive fiber, or a combination of conductive powder and conductive fibers in a base resin host. A probability of cardiovascular disease can be generated using a probability regression model that includes a predictor derived from cardiovascular sound signals. In one embodiment, the suspended mass has the shape of a closed frame delimiting an opening, the sensing mass is formed inside the opening and is connected to the internal part, and the mobile actuation electrodes are connected to the external part. The substituents R1, R2, R3, R4 of general formula are defined as the description. When the selected view is not the leading view and the video recorder is configured for automatic view switching, the video recorder may autonomously switch to the leading view of the selected program.