Informational Notice: 
This software was developed by the National Library of Medicine, part of the National Institutes of Health, and agency of the United States Department of Health and Human Services, which is making the software available to the public for any commercial or non-commercial purpose under the following open-source BSD license. The development of the software was supported in part by the Office of the Secretary Patient-Centered Outcomes Research Trust Fund (OS-PCORTF) in collaboration with the National Institute of Allergy and Infectious Diseases.

LICENSE: 
Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: 
•	Redistributions of source code must retain this Informational Notice. 

•	Redistributions in binary form must reproduce this Informational Notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. 

•	Neither the names of the National Library of Medicine, the National Institutes of Health, nor the names of any of the software developers may be used to endorse or promote products derived from this software without specific prior written permission. 

•	The U.S. Government retains an unlimited, royalty-free right to use, distribute or modify the software.

•	Please acknowledge NLM as the source of the software by including the phrase “Courtesy of the U.S. National Library of Medicine” or “Source: U.S. National Library of Medicine.”
THIS SOFTWARE IS PROVIDED BY THE U.S. GOVERNMENT AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE U.S. GOVERNMENT OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.