Acute and longer-term outcomes in depressed outpatients requiring one or several treatment steps: A STAR*D report

A. John Rush, Madhukar H. Trivedi, Stephen R. Wisniewski, Andrew A. Nierenberg, Jonathan W. Stewart, Diane Warden, George Niederehe, Michael E. Thase, Philip W. Lavori, Barry D. Lebowitz, Patrick J. McGrath, Jerrold F. Rosenbaum, Harold A. Sackeim, David J. Kupfer, James Luther, Maurizio Fava