This study was originally provided by ICPSR. ICPSR provides leadership and training in data access, curation, and methods of analysis for a diverse and expanding social science research community.
This data collection has been deaccessioned; it is no longer distributed by ICPSR.
Persistent URL: http://doi.org/10.3886/ICPSR03392.v1
Scope of Study
Original ICPSR Release: 2003-01-31