Regarding the visa requirements, we request that participants familiarize themselves with the proceedings well in advance of the Symposium. The present worldwide security regulations result in generally stricter visa requirements and associated visa processing time.

Should you need a personal invitation letter to attend the Symposium, please contact us at and send us the following information:

1. Full name;
2. Complete mailing address (including phone and fax numbers);
3. Passport number / country issued;
4. Date of birth.

We kindly ask you to send us the request well in advance of when you will need it. The invitation letters will be sent by ordinary mail. If express mail is needed, it will be at the participants' charge.