Acknowledgments

The authors are especially grateful to:

• Keith S. Wilson (York, UK) one of the originators of the software;
• Zbyszek Dauter (Brookhaven, USA) for significant contributions to the software development.
• Eleanor Dodson (York, UK), Jozef Sevcik (Bratislava, SLO), Phil Evans (Cambridge, UK), Titia Sixma (NKI Amsterdam, The Netherlands), Erik van Asselt (Univ. Groningen, The Netherlands) and Rob Meijers (Dana-Farber Cancer Institute, Harvard) for valuable suggestions.
• Mattheos Kakaris, Olga Kirillova, Onno van Breemen, Marie Francoise Incardona and Serge Cohen, for their help in ongoing research and developments.
• Thanks P.J. Briggs and Liz Potterton for help with design and debugging the CCPi interface.