11-12 February 2021
Virtual
16-19 December 2020
Berlin, Germany
29 June - 3 July 2020
Heijenrath, Netherlands
18-24 January 2020
Zug Lech a. Arlberg Hotel Rote Wand , Austria
12-14 December 2019
Barcelona, Spain
12-15 October 2019
Albuquerque, New Mexico, United States of America
10-12 October 2019
Lisbon, Portugal