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click the button "add participant" on the right .- a dialog window will open:
Enter your (business) email-address - you do not need to send yourself the invitation by email (checkbox under your mailadress), as you have already accepted your invitation as the expedition leader.
When done and you refreshed you session, a new menubar item "my participation information" should appear - please enter all the necessary information there!
HowTo: add a working group
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HowTo: add a working group leader on board
HowTo: administrative substitute
HowTo: statistics