About This Report | iii | ||||
Summary | v | ||||
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xi | ||||
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1 | (8) | |||
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4 | (1) | |||
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5 | (2) | |||
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7 | (2) | |||
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9 | (4) | |||
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13 | (10) | |||
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23 | (22) | |||
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23 | (5) | |||
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28 | (17) | |||
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45 | (10) | |||
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45 | (7) | |||
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52 | (3) | |||
Appendix: Additional Detail on Data and Methods | 55 | (12) | |||
Abbreviations | 67 | (2) | |||
References | 69 |