14,966
Participants
Start Date
October 31, 2011
Primary Completion Date
October 31, 2016
Study Completion Date
October 31, 2028
As the LEAD study is an observational cohort study, there is no intervention to report.
As the LEAD study is an observational cohort study, there is no intervention to report.
The LEAD Study Center, Vienna
Ludwig Boltzmann Institute for Lung Health
OTHER