| Firm | Analyst | | Argus Research Company | John Eade | | Atlantic Equities | Richard Purkiss | | Bank of America-Merrill Lynch | Rachel McMinn | | Barclays | Charles Butler | | BMO Capital Markets | Jim Birchenough | | Breane Murray, Carret & Co. | Gene Mack | | Citi | Yaron Werber, MD | | Cowen & Company | Eric Schmidt | | Credit Suisse - North America | Ravi Mehrotra | | Deutsche Bank Research | Robyn Karnauskas | | Goldman Sachs & Co. | Terrence Flynn | | Guggenheim Securities, LLC | Bret Holley | | ISI Group | Mark Schoenebaum | | Jefferies & Co. | Eun K. Yang | | JP Morgan | Geoffrey Meacham | | Lazard Capital Markets | Josh Schimmer | | Leerink Swann LLC | Howard Liang | | Morgan Stanley | Marshall Urist | | Morningstar, Inc. | Karen Andersen | | Oppenheimer & Co. | Boris Peaker | | Piper Jaffray | Ian M. Somaiya | | RBC Capital Markets | Michael Yee | | Robert W. Baird & Co. | Christopher J. Raymond | | Sanford C. Bernstein & Co., LLC | Geoffrey C. Porges | | Stifel Nicolaus & Company, Inc. | Joel Sendek | | UBS (US) | Matthew Roden | | William Blair & Co. LLC | John S. Sonnier |
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