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Late submission of Course Report and Student Registration Forms has been a chronic problem . " This was the exact problem we tried to tackle , " Lee said . Pain is sometimes a chronic problem for people with sickle cell disease . Candidates with experience in solving subsurface problems by integrating geological , geophysical and petrophysical data are preferred . However , a large percentage of these emigrants remained in Naples for several weeks , creating subsequent problems not only to themselves , since they had to stay in a strange city deprived of any means and assistance , but also to the " public safety " of the city , as the Italian Ambassador noted in his letter . A great deal of our contemporary problem about " love perfectionism " centers in the attempt to ground ethics either in human nature or in the structure of social institutions .