| · | To      sign and file with the United States Securities and Exchange Commission      the Annual Report of the Company on Form 10-K for the fiscal year ended      December 31, 2009, and any amendments or supplements to such Annual      Report; and |
|--------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| · | To      execute and deliver any instruments, certificates or other documents which      they shall deem necessary or proper in connection with the filing of such      Annual Report, and generally to act for and in the name of the undersigned      with respect to such filing as fully as could the undersigned if then      personally present and acting. |
|--------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| Signature                               |   | Title                                                               |
|-----------------------------------------|--------|---------------------------------------------------------------------|
|                                    |   |                                                                |
| /s/ David C. Bupp                       |   | President,      Chief Executive Officer and Director                |
|   David      C. Bupp          |   | (principal      executive officer)                                  |
|                                    |   |                                                                |
| /s/ Brent L. Larson                     |   | Vice      President, Finance and Chief Financial Officer            |
|   Brent      L. Larson        |   | (principal      financial officer and principal accounting officer) |
|                                    |   |                                                                |
| /s/ Carl J. Aschinger, Jr.              |   | Chairman      of the Board of Directors                             |
|   Carl      J. Aschinger, Jr. |   |                                                                |
|                                    |   |                                                                |
| /s/ Reuven Avital                       |   | Director                                                            |
|   Reuven      Avital          |   |                                                                |
|                                    |   |                                                                |
| /s/ Kirby I. Bland                      |   | Director                                                            |
|   Kirby      I. Bland, M.D.   |   |                                                                |
|                                    |   |                                                                |
| /s/ Owen E. Johnson                     |   | Director                                                            |
|   Owen      E. Johnson, M.D.  |   |                                                                |
|                                    |   |                                                                |
| /s/ Fred B. Miller                      |   | Director                                                            |
|   Fred      B. Miller         |   |                                                                |
|                                    |   |                                                                |
| /s/ Gordon A. Troup                     |   | Director                                                            |
|   Gordon      A. Troup        |   |                                                                |
|                                    |   |                                                                |
| /s/ J. Frank Whitley, Jr.               |   | Director                                                            |
|   J.      Frank Whitley, Jr.  |   |                                                                |

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