(Sorry for cross-posting) Dear all, This is the final announcement of the two-day workshop on Cluster Randomized Trials led by Professor Martin Bland, the University of York, on 25th-26th November at the University of Auckland, New Zealand. Please visit the workshop website http://www.stat.auckland.ac.nz/crt2009/ for registration and updated information on the speakers, agenda (sessions), registration, campus map and central accommodations in Auckland. Note that the online registration <https://www.stat.auckland.ac.nz/crt2009/register.php> will end on 20th November 2009. Please feel free to contact us <https://www.stat.auckland.ac.nz/crt2009/contacts.php> if you have any further queries. We look forward to meeting you soon in Auckland! Kind Regards, Dr. Yannan Jiang, on behalf of CRT 2009