This and other online newsletters carried this item about an international panel of neurologists updating guidelines for diagnosing multiple sclerosis. Among those quoted is Dr. Robert Lisak of Wayne State University . He is chair of the American Neurological Association's public information committee. "The changes in diagnostic criteria for primary progressive multiple sclerosis are particularly helpful," he said. "The ability to make the diagnosis of multiple sclerosis early and accurately is important for both patient care and for clinical research. . . ."