1. Schar School of Policy and Government, George Mason University, Fairfax, VA, USA
2. Department of Security Studies and Criminology, Macquarie University, Sydney, Australia
3. School of Political Science and International Studies, University of Queensland, Brisbane, Australia
4. School of Economic, Political and Policy Sciences, University of Texas-Dallas, Richardson, TX, USA
5. Krulak Center, Marine Corps University, Quantico, VA, USA