Kessler, Ronald C.
[Other];
Brandenburg, Nancy
[Other];
Lane, Michael
[Other];
Roy-Byrne, Peter
[Other];
Stang, Paul D.
[Other];
Stein, Dan J.
[Other];
Wittchen, Hans-Ulrich
[Other]
Rethinking the duration requirement for generalized anxiety disorder: evidence from the National Comorbidity Survey Replication