Data collection and research will be demanding, because displaced popu-lations can be difficult to reach as people move both within and across multiple geographic borders and through formal and informal "bureaucratic" regimes.
In order to enroll patients in a reasonable time period and meet regulatory requirements for local registration, sponsors have increasingly implemented more multinational AD studies [ 2] that cover multiple geographic regions and encompass many cultures, languages, and healthcare delivery systems.
Only a few studies have examined the association of ambient air pollution with sperm parameters, and this is the first to do so in multiple geographic locations and among a group of fertile men.
"Nonpublic schools have the ability to attract student athletes from multiple geographic areas, and we don't".
In contrast, all pulsotypes including >5 isolates were found in multiple geographic regions, and 3 of the 6 pulsotypes comprising >8 isolates spanned all 6 geographic regions (Table 2).
Competition can also generate patterns of parallel evolution, if the two competing species co-occur in multiple geographic regions, and if the competition between them results in repeated instances of competitively-driven morphological divergence in each region.
However, it is logistically impractical to keep pathologists blinded to test cases in studies that involve large numbers of physicians from multiple geographic locations and a large number of test cases.
While nation-wide representation was not explicitly sought by the research team, the representatives nominated by accreditation agencies came from multiple geographic locations (metropolitan, regional and remote) and jurisdictions (all States and Territories), providing a national perspective.
The number of sequenced tumors from diverse cancer types and multiple geographic regions is growing explosively, and the genomes of these tumors will bear the signatures of even more diverse mutagenic exposures.
