Global gene expression profiling by genomic and proteomic analyses has changed the face of drug discovery and biological research in the past few years.
We cannot deduce whether the inclusion of these "invisible" orthologs in the analyses would have changed any of our results.
Numerous studies have examined the determinants of cancer screening uptake, but few studies have analysed how these determinants have changed over time, particularly in response to the recent implementation of mass screenings and/or national programmes.
Recent political analyses show that while Democrats have changed relatively little, congressional Republicans have moved steadily to the right since 1980 and are now the most conservative group to serve since the study started in 1879.
We excluded from the analyses the patients declaring to have changed dietary habits more than 1 year before the interview.
Additionally, organic material is preserved well in teeth and historic samples can be obtained from museums to analyse how diet and foraging location have changed over time [20].
All subjects who were known to have diabetes before the survey were excluded from the analyses (n = 656), because they may have changed their dietary habits.
The researchers used a dataset of 464,411 music recordings to analyse what has changed – and what has stayed the same – over the past half-century of song.
In all our analyses, women who had changed their diet because of illness in the 5 years before completing the dietary questionnaire were excluded.
