翻译以下内容: CGFNS International,Inc. is a nonprofit organization based in Philadelphia, Pennsylvania, in the United Stales of America. During the late 1960s and early 1970s, changes in immigration laws and regulations resulted in a steady increase in the numbers of nurses entering the United States as immigrants with preferred status because they had skills that were in short supply in the United States. The founders of CGFNS believed that it was important for nurses educated outside the United State to know before they left their home country whether or not they could expect to pass the U.S. registered nurse licensure examination. This,in turn,would help curb abuses such as those described above. And so,in 1977, CGFNS was established,in part,to help foreign-educated nurses determine their likelihood of passing the U.S. licensure exam.