| 05/03/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 04/09/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 02/20/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 02/19/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 02/19/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 02/19/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 02/19/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 02/19/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 02/19/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 02/19/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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