In the current issue of Laboratorium for the first time we publish a list of our colleagues who have served as referees for submissions to the journal over the first four years of Laboratorium’s existence. The editors thank all those on the list for their collaboration with the journal and service to the profession. List of article manuscript reviewers for 2009-2012 is available at: http://soclabo.org/index.php/laboratorium/article/view/300/726