Congress Secretariat
GUARANT International spol. s r.o.
Na Pankráci 17
140 21 Prague 4 – for correspondence
140 00 Prague 4 – for courier services
Czech Republic
Tel: +420 284 001 444
Fax: +420 284 001 448
Email: euroelso2018@guarant.cz
Website: http://www.guarant.com