For two decades I have been happy to be just another anonymous freeper. Recently I have answered your question but reluctantly because the immediate response is Appeal to Authority! You loose!
Yes. I practiced clinical medicine for 40 years before retiring a few years ago. Initially I did a residency in Neurosurgery and in 2005 started a Family Practice Residency.
And yet: You loose!
Minus five points.
Just kidding. I'm impressed. Sometimes 'appeal to authority' is just displaying knowledge gained from expertise. Don't let nobody play that one on you.
That's what's so cool about FR. There are so many different 'experts in the field' that you can usually find the answer to anything.
Thanks for sharing your expertise.