A tissue culture system for production of infectious hepatitis C virus is described. The concentrates may be incorporated into thermoformable articles as a concentrate powder or as a paste. In one embodiment, a symbol represents two or more bits. This permits routing, bridging, and concentration of data services to be performed without burdening of the cross connect. A printed circuit board design support method and program are also disclosed. The IC module comprises an interposer having a plurality of integrated circuit dice disposed thereon.