In volume 89, Number 9, September 2011, p. 554, the last sentence of the biography should have read: “He holds a Doctor’s and a Master’s degree in biochemistry and physiological chemistry from the University of Tübingen and a Bachelor’s degree in toxicology and biochemical pharmacology from the Medical University of Lübeck in Germany.
In volume 89, Number 9, September 2011, p. 607, the author line should have read: “Pamela J Surkan,a Caitlin E Kennedy,a Kristen M Hurleyb & Maureen M Blackb”.