Paul Collins (Australia) and myself prodocued this document a couple of years ago, and it has a list of distinguished signatories.
I think it is worth putting up here again, as what it says is still totally relevant. The CDF processes which I, and many others, had to endure is totally unjust, and the Vatican cannot have any credibility while they continue to act in this way.
A New Process for the Church and the Congregation for the Doctrine of the Faith
He who is the object of an enquiry should be present at the process, and, unless absent through contumacy, should have the various headings of the enquiry explained to him, so as to allow him the possibility of defending himself.