i wanted to say in a special way that we have 55 keynote speeches in the main hall of razi conference hall of iran university of medical sciences during the congress period. from wednesday, which is today, and until friday, out of these 55 speeches that we have, in fact , they are our main speakers, about 20 of them are foreign speakers , that is, more than a third of our speakers, which of the neighboring countries that we had participated in syria there are iraq, afghanistan, pakistan, and a number of countries that are online and sometimes because we were worried that we would have some of their videos that we use in the court, such as germany, england, and sometimes some personalities. in our country, i prefer that now according to have a virtual presence. virtual presence. in any case , this age of communication has made these congresses easier for us. by the way, it is also a good opportunity for us to avoid the exorbitant costs that some congresses have to attend. i don't know how far the hotel has come and gone . let's reduce this a bit. after all, these spaces make us have ea