Departments of 1 Pathology and 2 Biochemistry, Stanford University
School of Medicine, Stanford CA 94305. 
 
2 Department of Pathology and Genetic Pathology
Evaluation Centre, Vancouver Hospital and Health Sciences Centre and
University of British Columbia, 855 W. 12th Ave, Vancouver BC Canada
V5Z 1M9. 
	3 Department of Anatomical Pathology, University of Washington Medical Center,
Seattle, WA. 
        4 Department of Anatomic Pathology, Cleveland Clinic Foundation, Cleveland,
OH. 
                       
        
                                                +To whom correspondence should be addressed 
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