Mixotrophy is known long ago in cyanobacteria [27], and both glucose [34] and amino acid [38] utilization have been reported in different cyanobacterial strains.
Depending on the geographical variation and the target population, different rates of eye care service utilization have been reported.
In addition, social differences in health care utilization have been reported in several studies [ 1, 8, 9].
Significant differences in morbidity and health care utilization have been reported between urban and rural populations, but the impact of this factor is uncertain [ 28- 30].
OA has been considered an age-related disease, and substantial functional impairment, decreased quality of life, and increased healthcare resource utilization have been reported among older patients with OA [ 8- 12].
The associations between HRQOL and health service utilization have been reported in chronic disease patients [ 23, 24], aging patients with osteoarthritis [ 25] and primary care patients [ 13], and healthy individuals [ 26].
Nevertheless, differences in the regulation of their utilization have been reported in A. niger, the L-Arabinose was regulated by AraR whereas the D-xylose was regulated by XlnR, although some overlaps occurs between the AraR and XlnR regulation network [ 18, 19].
Xylan-utilization has been reported for Roseburia intestinalis, and also for the human B. fibrisolvens strain 16/4, which was isolated from a wheat bran enrichment.
No selenium utilization trait has been reported from Giardia to our knowledge.
For the whole disabled population, the utilization rate has been reported to be 15.8% [ 13].
