1. Sapienza University of Rome, Rome, Italy
2. Tallinn University, Tallinn, Estonia
3. University of Novi Sad, Novi Sad, Serbia
4. University of Pardubice, Pardubice, Czech Republic
5. Anadolu University, Eskişehir, Turkey
6. National Laboratory of Civil Engineering, Lisbon, Portugal
7. Geoservice, Athens, Greece