Trabecular Bone Score in Patients With Chronic Glucocorticoid Therapy-Induced Osteoporosis Treated With Alendronate or Teriparatide Alendronate, Bisphosphonate, Glucocorticoids, Longitudinal, Osteoporosis, Prednisone, Secondary osteoporosis, Teriparatide, Treatment (anti-osteoporotic treatments), USA