License:
This program is free software: you can redistribute it and/or modify
it. This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
If you use this software (or a part of it) in your research, please cite
the authors. For more information how to cite this work properly please
visit the official webside. THANKS!
http://ssc.shef.ac.uk