Zdeňka Koupilová⁸, Massimiliano Malgieri⁹, Avraham Merzel¹⁰, Henk J. Pol¹¹, Gesche Pospiech¹², Heike Kirsten Elisabeth Stadermann¹³, Efraim Yehuda Weissman¹⁴, and Kim Krijtenburg-Lewerissa^15,†

• ¹Leipzig University, Institute of Physics Education, Vor dem Hopsitaltore 1, 04103 Leipzig, Germany
• ²University of Jyväskylä, Department of Physics, P.O. Box 35, 40014 Jyväskylä, Finland
• ³National Research Council, Institute for Photonics and Nanotechnologies, Via Valleggio 11, 22100 Como, Italy
• ⁴University of Pisa and INFN, Department of Physics, Largo Bruno Pontecorvo 3, 56126 Pisa, Italy
• ⁵University of Ljubljana, Faculty of Mathematics and Physics, Jadranska ul. 19, 1000 Ljubljana, Slovenia
• ⁶Aarhus University, Department of Management, School of Business and Social Sciences, Fuglesangs Allé 4, 8210 Aarhus, Denmark
• ⁷Technische Universität Braunschweig, Institut für Fachdidaktik der Naturwissenschaften, Bienroder Weg 82, 38106 Braunschweig, Germany
• ⁸Department of Physics Education, Faculty of Mathematics and Physics, Charles University, V Holešovičkách 2, 180 00 Prague 8, Czech Republic
• ⁹Department of Physics, University of Pavia, Via Bassi 6, 27100 Pavia, Italy
• ¹⁰The Seymour Fox School of Education, The Hebrew University of Jerusalem, Mount Scopus, Jerusalem 9190501, Israel
• ¹¹ELAN Department of Teacher Development, University of Twente, P.O. Box 217, 7500 AE Enschede, Netherlands
• ¹²TU Dresden, Department of Physics, Research Group Physics Education, Helmholtzstraße 10, 01069 Dresden, Germany
• ¹³ELAN Department of Teacher Development and MESA+ Institute, University of Twente, P.O. Box 217, 7500 AE Enschede, Netherlands
• ¹⁴Jerusalem College of Technology, Havaad Haleumi 21, Jerusalem 9190501, Israel
• ¹⁵Utrecht University, Freudenthal Institute, P.O. Box 85170, 3508 AD Utrecht, Netherlands

• ^*Contact author: philipp.bitzenbauer@uni-leipzig.de
• ^†Contact author: k.krijtenburg-lewerissa@uu.nl