Snare, there are reams of info about this...everywhere. This is the most objective, informative and practical piece I have seen. Well done, I feel we have all benefitted from your experience.
Get well soon and heed your own advice please, get on the blower if things deteriorate. Get well soon!
Also keep in touch, you have us concerned. I for one would like to know you are better.
Edited to add. Thanks for your self-sacrificing service, we all owe all of you.