Have you had any in-depth testing for any other causes of this 20+ year symptoms?

Extra cervical ribs?
Hypermobile?
http://hypermobility.org/help-advice...eighton-score/
large transverse processes?
Ehlers-Danlos syndromes (EDS)?
http://www.ednf.org/what-eds

One of our members made this site based from CA,
http://tossociety.org/certifiedTOSSmemberlist.html