Acknowledge

	Claus Hilgetag (Unversity of Hamburg, Germany)
	Gully Burns (Chan Zuckerburg Initiative, CA, USA).
	Igancio Solis (formerly at University of Santa Cruz, CA, USA).
	J. Andrew Derbyshire (National Institutes of Health, Baltimore MD, USA).
	Mike Roe (Department of computing science and Technology, University of Cambridge, UK).
	David Flitney (formerly at Department of Statistics, University of Oxford, UK).
	Malcolm Beattie (Computer Services, University of Oxford, UK).
	Peter Rounce (formerly at Department of Computer Science, UCL, UK).
	Dom Layfield (formerly at MIT, Boston MA, USA)
	Peter Kyberd (University of Derby, UK)
	Sean Taffler (formerly at Oxford Orthapeadic Engineering Centre, Oxford, UK)
	Neil Davis (formerly at Sheffield University, Sheffield, UK).
	Mark Boddington (formerly at Oxford University, UK).
	Lee Ward (formerly at US Department of Energy).
	Jawhr Bammi (formerly at Case Western Reserve University, Cleveland, USA).
	Amnon Barak (Hebrew University of Jurusalem).
	Mike Cooke (formerly at Laser-Scan, Cambridge, UK).