Germany
| Location | Germany | Germany | Germany |
| Date | March-July 2016 | August 2016 | October-December 2016 |
| Number of participants | 76 | 73 | 36 |
| Location | Germany | Stuttgart, Germany | Germany | Leipzig, Germany |
| Date | January 2017 | May 2017 | July 2017 | July 2018 |
| Number of participants | 52 | 65 | 60 | 42 |