I must apologize to the newcomers; I occasionally use abbreviations that people might not recognize: for example, PWD (people with diabetes) and T1DM (type 1 diabetes) and T2DM (type 2 diabetes). Obviously, abbreviations and acronyms are helpful to save space (and to avoid carpal tunnel syndome for us who are typing our thoughts), but they sure can be puzzling, especially when the same abbreviation can mean different things:
ADA = American Diabetes Association
ADA = American Dietetic Association
AD...

