749
Participants
Start Date
January 31, 1996
Primary Completion Date
December 31, 2008
Study Completion Date
December 31, 2008
no intervention, this is an observational retrospective trial
no intervention, this is an observational retrospective trial
Universitaire Ziekenhuizen Leuven, Leuven
Universitaire Ziekenhuizen KU Leuven
OTHER