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Appendix 2B explains the definitions, sources and methods for the data presented in appendix 2A.
Lotta Harbom (Sweden) is a Research Assistant with the Uppsala Conflict Data Program at the Department of Peace and Conflict Research, Uppsala University.
Professor Peter Wallensteen (Sweden) is Dag Hammarskjöld Chair in Peace and Conflict Research at Uppsala University, where he directs the Uppsala Conflict Data Program, and Richard G. Starmann Sr Research Professor of Peace Studies at the University of Notre Dame.