The official end of registration for the World Team Championship 50+, 65+ 2016 was April 26th . As of now there are 108 teams registered for the tournament: 57 teams in section 50+ (including four women's teams) and 51 teams in section 65+.
Included are teams from 22 countries,Afghanistan, Armenia, Canada, Austria, Belgium, Denmark, England, Finland, Iceland, Ireland, Israel, Latvia, Moldova, Norway, The Netherlands, Russia, Scotland, Slovakia, Sweden, Switzerland, Ukraine and Germany.
Please find the official list of participants here: http://schachfestival.de/world-team-championship-50-65-2016-en/list-of-participants.html