1. York Centre for Complex Systems Analysis; Ron Cooke Hub; University of York; York YO10 5GE United Kingdom
2. Department of Computer Science; University of York; York YO10 5GE United Kingdom
3. Oxford University IT Services; 13 Banbury Road Oxford OX2 6NN United Kingdom
4. Stockholm Environment Institute; Florence House, 29 Grove Street Oxford OX2 7JT United Kingdom