Hi @cmcclure, first, you'll notice that I removed your mailing address from your post. We recommend that members not post personal identifying information on a public forum.
My first recommendation is to review the literature authored by Timothy Aksamit, M.D. https://www.mayoclinic.org/biographies/aksamit-timothy-r-m-d/bio-20053043 He is a leading expert in MAC and Bronchiectasis, and Chair of the United States Bronchiectasis and Research Registry

Here is a list of his publications and research activities:
- Publications https://www.ncbi.nlm.nih.gov/pubmed?cmd=PureSearch&term=(aksamit+tr%5BAuthor%5D+AND+mayo%5BAll+Fields%5D)
- Research Activities https://www.mayo.edu/research/faculty/aksamit-timothy-r-m-d/bio-00027560?_ga=2.79627988.1704566951.1583961150-2101428851.1583961150

There is also the June 2012 issue of Clinics in Chest Medicine, which you can purchase by chapter, including the chapter
Bronchiectasis and Nontuberculous Mycobacterial Disease by David E. Griffith, Timothy R. Aksamit
https://www.chestmed.theclinics.com/issue/S0272-5231(11)X0007-2