| 05/04/11 |
4
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Statement of changes in beneficial ownership of securities
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| 05/04/11 |
4
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Statement of changes in beneficial ownership of securities
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| 05/04/11 |
4
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Statement of changes in beneficial ownership of securities
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|
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| 05/02/11 |
4
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Statement of changes in beneficial ownership of securities
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| 05/02/11 |
4
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Statement of changes in beneficial ownership of securities
|
|
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| 05/02/11 |
4
|
Statement of changes in beneficial ownership of securities
|
|
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| 05/02/11 |
4
|
Statement of changes in beneficial ownership of securities
|
|
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| 05/02/11 |
4
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Statement of changes in beneficial ownership of securities
|
|
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| 05/02/11 |
4
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Statement of changes in beneficial ownership of securities
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| 04/29/11 |
4
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Statement of changes in beneficial ownership of securities
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