Protocols sub-group

This event series recurred from 3 December 2021 until 3 December 2021.

It was the continuation of Protocols sub-group from 15 October 2021 until 5 November 2021 (4 events).

It then continued as a new one, Protocols sub-group from 10 December 2021 until 31 December 2021 (4 events).