Expression of Concern

The Chief Editor would like to alert readers that the accuracy of details described in the publication entitled “Chronic periodic fluid redistribution effect on muscle calcium in healthy subjects during prolonged hypokinesia” by Zorbas YG, Deogenov VA, Merkov PL, and Federenko YF, which appeared in the May 2012 issue of The Journal of Physiological Sciences, vol 62(3):233–239 as doi:10.1007/s12576-012-0202-2 has been questioned by a reader. The journal has conducted an in-depth investigation in accordance with the Committee on Publication Ethics (COPE) guidelines. Unfortunately, the authors’ institution has not been able to confirm or refute whether the events reported about the case are accurate. Consequently, readers are advised to interpret the details of this article with caution.