I think for the most part as shared here: https://www.researchgate.net/project/Implementing-Petralex-audio-Apps-and-driver-for-e-learning-of-hard-of-gearing-people/update/5b5c9e0d4cde265cb652358d
But members must be able to work as a team or else the project can be frozen with members not being able to come to agreement on the way forward.