M. Sc. Maarten Koomen Scientific collaborator, Data Management / TREE study Institute of Sociology Phone +41 31 684 30 45 Phone2 +41 31 684 48 11 E-Mail maarten.koomen@unibe.ch Office A 230 Postal Address University Bern Institute of Sociology Fabrikstrasse 8 3012 Bern Switzerland private website www.tree.unibe.ch/
