Due to the current situation in the Ukraine and its effects on Europe, participants with the citizenship of one of the following countries are kindly asked to cross check with the conference organizers if on-site access is possible:
Afghanistan (Islamic Republic of Afghanistan), Algeria (People's Democratic Republic of Algeria), Armenia (Republic of Armenia), Azerbaijan (Republic of Azerbaijan), Belarus (Republic of Belarus), China (People's Republic of China), Georgia, Iraq (Republic of Iraq), Iran (Islamic Republic of Iran), Kazakhstan (Republic of Kazakhstan), Kyrgyzstan (Kyrgyz Republic), Korea (Democratic People's Republic of Korea), Cuba (Republic of Cuba), Laos (Laos People's Democratic Republic), Lebanon (Lebanese Republic), Libya (State of Libya), Moldova (Republic of Moldova), Pakistan (Islamic Republic of Pakistan), Russian Federation, Sudan (Republic of Sudan), Syria (Syrian Arab Republic), Tajikistan (Republic of Tajikistan), Turkmenistan, Ukraine, Uzbekistan (Republic of Uzbekistan), Vietnam (Socialist Republic of Vietnam).
The most recent list can be found at the German Federal Ministry of the Interior