1r#"PUBLIC DOMAIN NOTICE 2National Center for Biotechnology Information 3 4This software is a "United States Government Work" under the terms of the 5United States Copyright Act. It was written as part of the authors' 6official duties as United States Government employees and thus cannot 7be copyrighted. This software is freely available to the public for 8use. The National Library of Medicine and the U.S. Government have not 9placed any restriction on its use or reproduction. 10 11Although all reasonable efforts have been taken to ensure the accuracy 12and reliability of the software and data, the NLM and the U.S. 13Government do not and cannot warrant the performance or results that 14may be obtained by using this software or data. The NLM and the U.S. 15Government disclaim all warranties, express or implied, including 16warranties of performance, merchantability or fitness for any 17particular purpose. 18 19Please cite the author in any work or product based on this material. 20"#