A system for inducing tissue vibration for magnetic resonance elastography is described. Protocols and methods may be provided for determining, disseminating and updating trust. Each modified color correction matrix is applied to data in its corresponding spatial frequency band to produce color-corrected data in the plurality of spatial frequency bands. The second, elongated portion, is bent such that the speaker is positioned between the film and the support structure, adjacent to an aperture in the first portion. , in individuals hypersensitive to bee venom.