Cornell University (Dr. Doug Antczak, dfal@cornell.edu )     Tufts (Dr. Mary Rose Paradis, mparadis@infonet.tufts.edu )     Rood & Riddle Equine Hospital, Lexington, Kentucky (Dr. Michelle LeBlanc, mleblanc@roodandriddle.com )     The Dorothy Russell Havemeyer Foundation, New York, New York