Correction: Extracranial Sources of S100B Do Not Affect Serum Levels

In our recent article [1], we did not declare several potential competing interests relevant to this work. We apologize for this omission and would like to disclose the following information: Dr. Janigro has received royalty payments from Roche Diagnostics and holds a patent on S100B for its use as a serum marker for blood-brain barrier leakage. The study was partly supported by Roche Diagnostics. The company does not currently develop any products related to the results described in the article. Reference: 1. Pham N, Fazio V, Cucullo L, Teng Q, Biberthaler P, Bazarian JJ, Janigro D (2010) Extracranial sources of S100B do not affect serum levels. PLoS One 5(9): e12691. doi:10.1371/journal.pone.0012691