@cmael and @ssapp1, you may also be interested in follow this group about osteoporosis on Mayo Clinic Connect.
- Osteoporosis & Bone Health https://connect.mayoclinic.org/group/osteoporosis/

And more specifically related to transplant and bone health, see this discussion in the Transplants group:
- Bone Health After Transplant https://connect.mayoclinic.org/discussion/bone-health-after-transplant/