Correction

GENETICS. For the article “Voltage-sensor sodium channel mutations cause hypokalemic periodic paralysis type 2 by enhanced inactivation and reduced current” by Karin Jurkat-Rott, Nenad Mitrovic, Chao Hang, Alexei Kouzmekine, Paul Iaizzo, Jürgen Herzog, Holger Lerche, Sophie Nicole, Jose Vale-Santos, Dominique Chauveau, Bertrand Fontaine, and Frank Lehmann-Horn, which appeared in number 17, August 15, 2000, of Proc. Natl. Acad. Sci. USA (97, 9549–9554), the authors note the following correction: Alexei Kouzmekine should be spelled Alexei Kouzmenkine.