1995 Pilot Study: Updates & Errata
Current Dataset Release: May 3, 1999 Version
April 15, 2010
The missing data for V952144 have been incorrectly set for values 0 and 8 or higher. The correct missing data values should be 98 and 99. This will be corrected in a future release.
May 3, 1999
Added dataset ID and version number.
Added dataset ID and version number.
Current Dataset Release: May 3, 1999 Version
October 1998
1998 CD-ROM release.