| 06/11/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 05/24/13 | 8-K | Report of unscheduled material events or corporate event | Current Reports |
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| | 05/20/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 05/17/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 05/17/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 05/17/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 05/17/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 05/17/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 05/17/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| | 05/17/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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