Unfortunately, there is a serious shortage of evaluation studies on many of these networks.
Few of these have resulted in any industrial take up of the approach and part of this lack of adoption might be attributed to a shortage of evaluations of the resulting designs and implementations and their comparison with more conventional approaches.
Overall there was a shortage of independent evaluation and limited evidence that each intervention had an impact on rates of admission.
Given the shortage of controlled evaluations, more research on the effects of well-defined accreditation programs is required.
Information on physical performance in renal transplantation is limited because of the shortage of specifically designed evaluation instruments.
However, due to the shortage of annotated corpus available for evaluation and training chemical NER systems, many developers of the systems generate their own corpus.
Although many drugs are already being screened, their efficacy cannot be ascertained to the fullest extent due to a shortage of histone lysine methylation detection and evaluation methods.
The current shortage of staff was highlighted in a recent evaluation report by a team from the World Health Organization (WHO) [ 8].
A national shortage of breast radiologists in the UK necessitates evaluation of such systems in a population breast screening programme to determine effectiveness in increasing cancer detection and feasibility of implementation.
Training was hampered by lack of planning, scant budget allocations, no standardized curricula, deficient training material, shortage of competent trainers, inadequate teaching methods and evaluations, as well as lack of follow-up.
It is surprising, though, to see that practising in rural districts was not negatively associated with the evaluation of accessibility, even though regions with shortage of GPs were included in this study.
