Wijnand A. Ijsselsteijn

Human-Technology Interaction Group, Department of Technology Management, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands

Pieter J.H. Seuntiëns

Human-Technology Interaction Group, Department of Technology Management, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands

Lydia M.J. Meesters

Human-Technology Interaction Group, Department of Technology Management, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands

Oliver Schreer

Fraunhofer Institute for Telecommunications, Heinrich-Hertz-Institut, Image Processing Department, Einsteinufer 37, D-10587, Berlin, Germany

Peter Kauff

Fraunhofer Institute for Telecommunications, Heinrich-Hertz-Institut, Image Processing Department, Einsteinufer 37, D-10587, Berlin, Germany

Thomas Sikora

Technical University of Berlin, Communication Systems Group, Sekr. EN1, Einsteinufer 17, D-10587 Berlin, Germany