It’s settled, then.
Would it make sense to create an Etherpad already?
One could already fill in the topics, append small comments and have a quick-and-dirty protocol template.
If yes, I’d like to setup an Etherpad Lite instance somewhere reliable (https://piratenpad.de, https://textbegruenung.de/) or play with http://socrates.io/.
If you know about any collaborative text editor services (with or without MarkDown), like also http://fiduswriter.org/, that I don’t need to install, please let me know.
I.e., I’ve just stumbled across https://www.liveminutes.com/, which seems to be a good combination of both : videochat and collaborative text editing …