A class to model restricted diffusion in a cylinder using the Callaghan's model.
midi::CylinderRadialCompartment -> CallaghanCompartment
Callaghan, P. T. (1995). Pulsed-gradient spin-echo NMR for planar, cylindrical, and spherical pores under conditions of wall relaxation. Journal of magnetic resonance, Series A, 113(1), 53-59.