2 0 1 9 University of Siegen, Germany
2 0 1 9 University of Oxford, England
2 0 1 6 University of Graz, Austria
2 0 1 5 University of Bochum, Germany
2 0 1 5 University of Aachen, Germany
2 0 1 2 University of Tbilisi, Georgia
2 0 1 2 University of Münster, Germany
2 0 1 2 University of Bonn, Germany
2 0 1 2 TU Dortmund, Germany
2 0 1 0 University of Bielefeld, Germany
2 0 1 0 TU Darmstadt, Germany
2 0 0 9 University of Lille, France
2 0 0 9 University of Karlsruhe, Germany
2 0 0 9 Institut Jean Nicod, École normale supérieure, Paris, France
2 0 0 8 University of York, England
2 0 0 8 University of Warwick, England
2 0 0 8 University of Oxford, England
2 0 0 8 University College London, England
2 0 0 5 Williams College, Williamstown MA, USA
2 0 0 5 University of Pittsburgh PA, USA
2 0 0 5 University of Florida, Gainesville FL, USA
2 0 0 4 University of Rijeka, Croatia
2 0 0 4 Central European University, Budapest, Hungary
2 0 0 3 University of York, England
2 0 0 3 University of Oxford, England
2 0 0 3 University of Leeds, England
2 0 0 3 University College London, England
2 0 0 1 University of Oslo, Norway
2 0 0 1 University of Maribor, Slovenia
2 0 0 1 TU Dortmund, Germany
2 0 0 0 University of Karlsruhe, Germany
2 0 0 0 University of Graz, Austria
2 0 0 0 University of Buenos Aires, Argentina
2 0 0 0 University of Bielefeld, Germany
1 9 9 9 Washington and Jefferson College, Washington PA, USA
1 9 9 9 University of West Virginia, Morgantown WV, USA
1 9 9 9 University of Pittsburgh PA, USA
1 9 9 8 Central European University, Budapest, Hungary
1 9 9 7 University of Pittsburgh PA, USA
1 9 9 7 University of California, Santa Barbara CA, USA
1 9 9 6 University of Southern California, Los Angeles CA, USA
1 9 9 6 University of California, Santa Barbara CA, USA
1 9 9 6 University of California, Berkeley CA, USA
1 9 9 6 McGill University, Montreal, Canada
1 9 9 6 College of the Holy Cross, Worcester MA, USA
1 9 9 5 University of Karlsruhe, Germany
1 9 9 2 University of Heidelberg, Germany
1 9 9 1 Wolfson College, Oxford University, England
1 9 9 1 University College London, England
1 9 8 8 Trinity College, Dublin, Ireland
1 9 8 8 Oriel College, Oxford University, England