Answer to the Letter to the Editor of Akbari KK et al. concerning “The short-term impact of COVID-19 pandemic on spine surgeons: a cross-sectional global study” by Khattab MF, et al. (Eur Spine J; [2020]: doi:10.1007/s00586-020-06517-1)

[摘要] The questions raised in the letter concerning the study by Khattab et al. [1] are important, and we completely agree with the authors.