Re: Fethke NB, Anton D, Cavanaugh JE, Gerr F, Cook TM. Bootstrap exploration of the duration of surface electromyography sampling in relation to the precision of exposure estimation. Scand J Work Environ Health 2007;33(5):358–367.

Corrected affiliations and reprint address: Nathan B Fethke, 1 Dan Anton, 2 Joseph E Cavanaugh, 3 Fred Gerr, 4 Thomas M Cook 4 1 Environmental Health, East Tennessee State University, Johnson City, Tennessee, United States. 2 Physical Therapy, Eastern Washington University, Spokane, Washington, United States. 3 Biostatistics, University of Iowa, Iowa City, Iowa, United States. 4 Occupational & Environmental Health, University of Iowa, Iowa City, Iowa, United States. Reprint requests to: Dr N Fethke, East Tennessee State University, Environmental Health, Campus Box 70682, Johnson City, TN 37614, USA. [E-mail: nathan-fethke@etsu.edu] The editors apologize for listing incorrect information in the original article.