James D. Luketich, M.D., and Philip R. Schauer, M.D., co-directors of the Mark Ravitch/Leon C. Hirsch Center for Minimally Invasive Surgery at University of Pittsburgh Medical Center were interviewed for the story. ???We are proud that our physicians, nurses, researchers and other healthcare professionals have been recognized as being among the best in the world,??? stated Loren Roth, M.D., senior