Society of Diabetic Nephropathy Prevention Journal of Nephropathology 2251-8363 7 3 2018 07 01 Vitamin D and population health; a nephrology viewpoint 117 119 10.15171/jnp.2018.27 EN Ali Hasanpour Dehkordi Journal Article 10.15171/jnp.2018.27 2017 03 02 2017 09 04 Vitamin D Chronic kidney disease 25-hydroxyvitamin D