Correction for: Clark K, Goldstein RL, Hart JE, Teylan M, Lazzari AA, Gagnon DR, Tun CG, Garshick E. Plasma vitamin D, past chest illness, and risk of future chest illness in chronic spinal cord injury (SCI): a longitudinal observational study. Spinal Cord. 2020 Apr;58(4):504-512. doi: 10.1038/...