However, and to the authors' best knowledge, existing literature lacks feasible and practical implementations of message exchange mechanisms among corresponding entities in a CR network.
The U.S. lacks feasible military options in Syria, has no legal authority to intervene, and would in all likelihood worsen the humanitarian situation on the ground while embroiling the United States in a costly, protracted Middle Eastern war.
Thus, although Archimedean Copula family provides various dependent structures, its applicability in high dimensions is significantly restricted due to a lack of feasible extension methods.
Because of uncertainty regarding future changes in hydrological processes in the Yellow River basin, and the lack of feasible engineering measures to mitigate "suspended river" and "hump deposition" problems in the LYR, caution should be exercised with respect to changes in the river training strategy for the LYR.
According to the World Health Organization, in low income settings half of the babies born two months early die due to a lack of feasible, cost-effective care, such as warmth, breastfeeding support and basic care.
Yet studies confirming these important observations have been lacking, most likely due to the lack of feasible methods for measuring salivary histatin concentrations.
There is a lack of feasible measurements in this age group that would distinguish children with different outcomes in later childhood.
Clinical translation, however, is impeded by the lack of feasible protocols devoid of cytoreductive conditioning (i.e. irradiation and cytotoxic drugs/mAbs).
Research in this area has been hampered by the lack of feasible animal models that recapitulate the different aspects of a persistent S. aureus infection.
Until recently, however, a lack of feasible and comprehensive methods to study chromosomal rearrangements has prevented this chromosomal approach from being fully utilized.
