hgweon@uwaterloo.ca
schonlau@uwaterloo.ca
lars.kaczmirek@gesis.org
michael.blohm@gesis.org
shsteiner@uwaterloo.ca
© 2017 Hyukjun Gweon, Matthias Schonlau, Lars Kaczmirek, Michael Blohm, Stefan Steiner, published by SciendoThis work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.