In case you prefer to switch your preferred groupsize from large to small you can easily adjust your previous purchase by this upgrade.
Large to small
Upgrade large to small
Nederlands / English
In case of a mismatch in preferences with respect to time and group size we always try to find a solution in consultation with all participants. A refund will be issued if you don't agree with the proposed solution.
As a matter of course, you can expand the program below with additional sessions whenever you want. However, it is not possible to take part in just part of the program.