Many colleagues and friends contributed to different stages of the EaP Index development throughout 2011-2013. Apart from the experts listed above who worked side-by-side with us on this Index, we benefited a great deal from insightful comments and ideas by Jacqueline Hale, Joanna Hosa, Marta Martinelli, Inna Pidluska, Tetiana Kukharenko, Dmytro Shulga, Zohrab Mnatsakanyan, Daniela Morari, Maciej Stadejek, Douglas Carpenter, Isabelle Combes, Kamran Musayev, Oksana Popruga, Dimitri Gorchakov, David Stulik, Stefanie Harter, Darius Žeruolis, Oleksandr Sushko, Philipp Fluri, Ruth Krcmar, Pavel Bucek, Erwan Lanon, Oleh Martynenko, Oleksii Melnyk, Vladyslav Galushko, Maryana Kuzio, Richard Youngs, Natalia Shapovalova, Norman Spengler, Helmut Anheier, Jeff Lovitt, Fabiola di Clemente, Richard Jones, Volodymyr Kondrachuk, Andriy Spivak, Kataryna Wolczuk, Katarzyna Pelczynska-Nalecz, Kristi Raik, Oleksandr Duleba, Laure Delcour, Irene Hahn, Andreas Umland, Olga Sauliak, Susann Worschech, Olena Pavlenko, Volodymyr Kuzka, Alex Gor and many others.

We would also like to thank all those who participated in our roundtable discussions in Kyiv in February 2012, January and May 2011, in Berlin and Frankfurt/Oder in October and November 2012, in Brussels in October 2011.

Last but not least, we appreciate great work of our language editors Lidia Wolanskyj and Jennifer Rassell.