1. Paul Langley, Department of Geography, Durham University, South Road, Durham DH1 3LE, United Kingdom.
2. Ben Anderson, Department of Geography, Durham University, South Road, Durham DH1 3LE, United Kingdom.
3. James Ash, School of Arts and Cultures, Newcastle University, Armstrong Building, Newcastle upon Tyne NE1 7RU, United Kingdom.
4. Rachel Gordon, School of Arts and Cultures, Newcastle University, Armstrong Building, Newcastle upon Tyne NE1 7RU, United Kingdom.