1. Michael Castelle, Department of Sociology, University of Chicago, 1126 E 59th St Chicago, IL 60637, United States
2. Yuval Millo, Warwick Business School, University of Warwick, Scarman Road, Coventry CV4 7AL, United Kingdom.
3. Daniel Beunza, Department of Management, London School of Economics and Political Science, Houghton Street, London WC2A 2AE, United Kingdom.
4. David C. Lubin, Department of Sociology, University of Chicago, 1126 E 59th St, Chicago, IL 60637, United States.