Julie Birkholz

Authors: Katherine Thornton, Kenneth Seals-Nutt, Marianne Van Remoortel, Julie Birkholz, Pieterjan De Potter

Authors: Sven Lieber, Ann Van Camp, Dieter De Witte, Eva Coudyzer, Erik Buelinckx, Els Angenon, Hannes Lowagie, Julie Birkholz, Karine Lasaracina

Authors: Fien Messens, Peter Mechant, Lise-Anne Denis, Eva Rolin, Pieter Heyvaert, Patrick Watrin, Julie Birkholz, Friedel Geeraert

Authors: Julie Birkholz, Leah Budke, Chris Tanasescu

Authors: Julie Birkholz, Leah Budke

Authors: Julie Birkholz, Albert Meroño-Peñuela, Ingrid Mayeur, Claartje Rasterhoff

Authors: Max Kemman, Julie Birkholz, James Baker, Michel de Gruijter, Albert Meroño-Peñuela, Thorsten Ries, Ruben Ros, Stefania Scagliola

Authors: Dirk Deichmann, Christine Moser, Julie Birkholz, Adina Nerghes, Peter Groenewegen, Shenghui Wang

Authors: Julie Birkholz, Marianne Van Remoortel

Authors: Julie Birkholz, Gerben Zaagsma