From the list of 100 people invited to participate in the day time. To communicate at least 2 weeks by the Messenger is the group that organized this conference. And the date of reply To truly know the number of participants in seminars.
starting from having a list of the 100 people. To invite attend in such days The communication at least 2 week .The sender is the group meeting, and define the reply. To know the number of the participants truly seminars.