| Filing Date | Type | Description | Filing Group | View | | 05/21/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |  |
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| | 05/20/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 | |
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| | 05/07/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 | |
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| | 05/06/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 | |
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| | 05/03/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 | |
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| | 05/03/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 | |
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| | 05/02/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 | |
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| | 05/02/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 | |
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| | 05/02/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 | |
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| | 05/02/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 | |
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