In case your citizenship is not part of EU/Schengen, you may need a Visa in order to travel to Austria. If this is the case, we recommend to contact us as early as possible. Only registered participants can obtain an invitation letter for a visa. We need your full name, birth date as well as full affiliation information. Please send this information directly to: mrupp@nt.tuwien.ac.at , please start the email subject with: IWSSIP12 VISA LETTER.