We would like to acknowledge Ross Combs for his helpful advice on program design and the creation of MPEGs.

We would like to thank David H. Kratzer for his help on getting time on the Blue Mountain Supercomputing Platform at Los Alamos National Laboratories.

We would like to acknowledge the Advanced Computing Laboratory ofLos Alamos National Laboratory, Los Alamos, NM 87545. This work was performed on computing resources located at this facility.

We would also like to thank all of the challenge sponsors and participants.

Guyton, Arthur C. M.D.. Structure and Function of the Nervous System. Philadelphia, W.B. Saunders Company, 1972.