| 11/01/11 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 11/01/11 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 10/03/11 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 10/03/11 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 10/03/11 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 08/19/11 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 08/01/11 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 08/01/11 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 08/01/11 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 07/25/11 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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