Kristen M. Stewart - Deutsche Bank AG, Research Division David L. Turkaly - JMP Securities LLC, Research Division Michael N. Weinstein - JP Morgan Chase & Co, Research Division Robert A. Hopkins - BofA Merrill Lynch, Research Division Matthew J. Dodds - Citigroup Inc, Research Division Jason Wittes - Brean Capital LLC, Research Division Derrick Sung - Sanford C. Bernstein & Co., LLC., Research Division Raj Denhoy - Jefferies LLC, Research Division Glenn J. Novarro - RBC Capital Markets, LLC, Research Division David H. Roman - Goldman Sachs Group Inc., Research Division David R. Lewis - Morgan Stanley, Research Division Michael Matson - Needham & Company, LLC, Research Division Matthew Taylor - Barclays Capital, Research Division Lawrence Biegelsen - Wells Fargo Securities, LLC, Research Division Ravi Misra - Leerink Swann LLC, Research Division Bruce M. Nudell - Crédit Suisse AG, Research Division Kaila Krum Steven M. Lichtman - Oppenheimer & Co. Inc., Research Division Joanne K. Wuensch - BMO Capital Markets U.S. Jeffrey D. Johnson - Robert W. Baird & Co. Incorporated, Research Division Matthew S. Miksic - Piper Jaffray Companies, Research Division Joshua T. Jennings - Cowen and Company, LLC, Research Division Frederick A. Wise - Stifel, Nicolaus & Co., Inc., Research Division