Time-to-result
Measuring time-to-result for the different FEC methods was part of the drug efficacy trial, which have been extensively described elsewhere [Upon arrival in the laboratory, stool samples were first grouped into batches of ten samples (with the remainder in a separate last batch). Subsequently, each individual stool sample was homogenized by stirring with a wooden tongue depressor. Finally, subsamples were taken to be processed according to the different FEC methods. 