Correction: Testosterone Affects Song Modulation during Simulated Territorial Intrusions in Male Black Redstarts (Phoenicurus ochruros)

  • Beate Apfelbeck,
  • Sarah Kiefer,
  • Kim G. Mortega,
  • Wolfgang Goymann,
  • Silke Kipper
  • Published: December 28, 2012
  • DOI: 10.1371/annotation/89b74b56-3f48-4ee2-9da1-699b3fdea564

There was an error in the Competing Interests statement. The correct Competing Interests statement is as follows: I have read the journal's policy and have the following competing interests: Novartis provided us with the aromatase inhibitor “letrozole” for our experiments. This does not alter our adherence to all the PLOS ONE policies on sharing data and materials.