Dr. Anthony Lang (IMAGE) University Health Network Caption Dr. Anthony Lang, neurologist & senior scientist at UHN's Krembil Brain Institute in Toronto is leading an international team proposing a new, biologically-based model for classifying Parkinson's disease. Credit UHN's Krembil Brain Institute Usage Restrictions No restrictions License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.