i may not be the best to answer this but since responses by others has been less than overwhelming........the ones that i think of off the top are:university of michigan,univ. of florida,univ. of texas,u of kansas.....those are just a few,some of the oldest programs i know of.reptiles magazine did an article about this a ways back.
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"with head raised regally,and gazing at me with lidless eyes,he seemed to question with flicks of his long forked tongue my right to trespass on his territory" Carl Kauffeld