Hendrik Witt
University of Bremen
TZI, Wearable Computing Lab.
Am Fallturm 1, D-28359 Bremen
Germany

eMail hwitt(at) tzi.de
Web http://www.tzi.de/~hwitt/

Fon +49 421/218-7809
Fax +49 421/218-7196

Mikael Drugge
Luleå University of Technology
Media Technology Research Group
SE-971 87 LULEÅ
Sweden

eMail mikael.drugge(at) ltu.se
Web http://media.csee.ltu.se/~mdr/