Erratum to: Curr Rheumatol Rep (2012) 14:1–10

DOI 10.1007/s11926-011-0226-2

The original version of this article, published in Current Rheumatology Reports, Volume 14, Issue 1, February 2012, inadvertently spelled the name of the second author incorrectly. The name of the second author is Benjamin Schreiber.