The following correction should be noted for the Protocol by Fiala and Spall. The page indicated is from the PDF:
Page 7: Under Computer Control of the CCD Camera and Data Acquisition, the software package "Volocity" should read "Openlab".
The online full text view of the article has been corrected. A corrected PDF is available starting June 3, 2003.
A PDF of the originally published article with the original text is also available. http://stke.sciencemag.org/cgi/data/sigtrans;2003/174/pl6/DC2/1