https://www.icpsr.umich.edu/sites/ifip/view/studies/3142 2005-11-04T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/3145 2006-03-30T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/3399 2005-11-04T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/4552 2007-07-06T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/6898 2006-03-30T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/6955 1998-10-08T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/6999 1998-01-13T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/7593 2006-03-30T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/6720 2005-11-04T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/6484 2005-11-04T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/9394 1995-03-31T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/9398 2006-03-30T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/9293 2006-01-12T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/8357 2005-11-04T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/8509 2005-11-04T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/8934 2006-01-12T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/2833 2000-06-05T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/2895 2006-03-30T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/2312 2008-04-04T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/2026 2006-03-30T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/2027 2012-08-22T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/2686 2006-03-30T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/2750 2006-03-30T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/140 2006-03-08T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/2580 2005-11-04T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/2587 2006-03-30T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/2612 2006-03-30T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/2626 2006-03-30T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/21840 2009-03-31T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/28422 2010-06-08T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/29681 2011-05-27T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/25865 2011-03-30T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/34899 2016-10-25T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/39088 2025-12-02T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/39244 2025-01-16T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/38331 2022-09-14T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/39306 2025-01-07T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/39450 2026-02-18T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/20350 2008-06-30T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/20400 2009-04-30T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/36732 2017-05-26T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/36769 2017-03-31T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/37594 2020-01-21T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/37307 2019-04-23T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/37308 2019-04-23T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/37349 2019-06-17T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/37351 2019-06-17T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/37352 2019-06-17T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/37371 2020-07-29T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/37282 2021-08-31T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/37301 2019-04-23T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/34598 2014-11-07T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/36558 2016-09-23T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/35476 2017-03-08T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/39534 2026-07-16T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/169601 2022-06-07T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/153263 2026-03-04T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/251098 2026-07-07T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/4573 2006-12-12T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/4596 2015-11-23T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/4704 2007-05-14T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/6345 1994-10-19T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/4429 2008-04-30T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/6739 1998-04-06T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/4138 2015-11-23T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/3803 2006-01-18T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/3903 2015-11-23T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/4182 2005-07-29T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/3477 2002-09-19T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/4373 2015-11-23T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/7632 2010-08-10T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/2900 2005-02-21T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/2973 2001-08-24T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/3107 2006-01-12T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/3137 2001-09-20T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/13711 2007-02-06T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/246094 2026-03-13T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/211641 2024-11-21T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/237846 2025-09-12T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/208352 2024-08-07T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/209031 2024-09-10T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/249113 2026-06-02T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/249121 2026-06-08T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/32282 2017-03-27T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/32722 2015-11-23T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/33081 2013-03-26T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/34481 2015-11-23T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/34792 2013-11-20T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/34933 2015-11-23T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/34980 2014-12-02T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/29961 2016-03-14T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/35509 2015-11-23T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/28201 2011-01-21T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/28241 2012-02-29T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/29621 2015-11-23T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/35167 2023-10-11T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/35245 2014-07-09T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/35249 2014-06-24T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/24801 2009-02-24T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/23041 2009-03-26T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/23782 2015-11-23T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/21600 2026-03-03T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/21240 2013-06-21T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/26701 2015-11-23T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/36453 2017-01-06T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/36454 2017-01-06T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/36455 2017-01-06T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/36354 2016-12-20T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/36795 2017-08-08T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/36800 2017-12-14T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/36834 2019-10-31T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/36860 2022-10-13T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/39216 2025-02-18T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/38089 2021-09-23T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/38574 2022-11-29T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/38287 2021-11-29T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/38298 2021-12-15T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/37276 2019-04-11T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/39644 2026-01-29T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/38923 2023-12-07T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/308547 https://www.icpsr.umich.edu/sites/ifip/view/studies/37121 2018-09-04T05:00:00.000Z https://www.icpsr.umich.edu/sites/ifip/view/studies/37694 2020-08-19T05:00:00.000Z