Heil, John (washington University (1) Murray, Simon (university Of Glasgow, Keefe, John (london Metropolitan University (1) Kimball, John (university Of Albany (1) Carr, John, Chen, Shih-ping, Connor, Joseph F. (carthage Veterinary Services Ltd., Kirkwood, Roy (1) Kesel, Marc De, Spijkerboer, Anne Marijke (1)