I was doing some research and found some pretty good info on John Hopkins site o neuropathy. Here is the link. I hope it works for you.
http://www.hopkinssjogrens.org/disease-information/sjogrens-syndrome/neurologic-complications
This link works and I noticed that it is authored by Dr. Julius Birmbaum who has been and may be the only neurologist/rheumatologist in the states. He practices at Hopkins. Irish