Some studies reported mean delay instead of median delay, which may have resulted in difficulties in estimating the average time delay to diagnosis in our analysis.
The vast size of the country, its poor infrastructure and transport network, and the weakness of its health system in difficult-to-access areas have resulted in difficulties in improving both routine vaccination and in the implementation of SIAs.
This dearth of TE knowledge among lepidopteran species has resulted in difficulty in interpreting their role in the generation of structural and functional genome variance.
Other negative reactions included discrimination which had resulted in difficulties finding suitable employment or in being excluded from social groups.
However, one drawback of second-generation sequencing technology is its relatively short read lengths, which has resulted in difficulties in subsequent sequence splicing, assembly, annotation and bioinformatics analysis [8].
Finally, only self-reports could be used, which may have resulted in recall difficulties, recall bias, or both.
It can be hypothesized that insufficient proficiency in the German language would have resulted in greater difficulties in dealing with the consequences of accidental injuries and, therefore, longer time off work.
By all accounts economic difficulties have resulted in a dramatic decline in both the output and the quality of North Korean cinema.
However, economic difficulties have resulted in shortages of textbooks, school materials and fuel for heating, while learning methods have not evolved with international developments.
Attempts to overcome these difficulties have resulted in the development of nonviral gene delivery vectors based on immunologically inert materials that can be produced in bulk.
