When collecting your registration documents, you will receive a personalized badge. During the congress, this badge must be clearly visible at all times; it grants access to the scientific sessions, commercial exhibition and official social events. Official delegates to the congress will receive a Certificate of Attendance along with their personal congress papers. The Organising Committee and Mondial accept no liability for any injuries/losses incurred by participants and/or accompanying persons, nor loss or damage to any luggage and/or personal belongings. Participants are advised to take out their own personal insurance. The official language of the congress is English. No simultaneous translation is provided. Participants are advised to make their own arrangements with respect to entering Austria. On request, the congress secretariat will be pleased to send letters of invitation to individual attendees. Invitations of this kind are intended to assist potential delegates to raise their travel funds or obtain visas. They do not imply any commitment or responsibility on behalf of the congress to provide financial support.