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   Disclaimer                                                                    
                                                                                 
   Copyright 2003 by John P. Huelsenbeck and Fredrik Ronquist                    
                                                                                 
   This software package is provided "as is" and without a warranty of any     
   kind. In no event shall the authors be held responsible for any damage        
   resulting from the use of this software. The program--including source code,  
   example data sets, and executables--is distributed free of charge for         
   academic use only.                                                            
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