What is your institution's practice/guidelines for considering a reduced-intensity (RIC) over a myeloablative (MAC) conditioning regimen?  

We don't have an institutional guideline per se. Typically, RIC is used in older patients (e.g. above 60ish), second transplants, people with co-morbidities that preclude high dose therapy, and diseases that are particularly sensitive to immunologic control, or some nonmalignant diseases such as apl...