| Date | Form | Description | XBRL | |
|---|---|---|---|---|
| 03/01/13 | 4 | Statement of changes in beneficial ownership of securities |
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| 03/01/13 | 4 | Statement of changes in beneficial ownership of securities |
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| 03/01/13 | 4 | Statement of changes in beneficial ownership of securities |
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| 03/01/13 | 4 | Statement of changes in beneficial ownership of securities |
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| 03/01/13 | 4 | Statement of changes in beneficial ownership of securities |
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| 03/01/13 | 4 | Statement of changes in beneficial ownership of securities |
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| 03/01/13 | 4 | Statement of changes in beneficial ownership of securities |
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| 02/22/13 | 8-K | Current report filing |
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| 02/21/13 | 424B2 | Prospectus filed pursuant to Rule 424(b)(2) |
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| 02/19/13 | FWP | Filing under Securities Act Rules 163/433 of free writing prospectuses |
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