Correction to: Techniques in Coloproctology (2018) 22:573–587 https://doi.org/10.1007/s10151-018-1814-1

Unfortunately, an author name (Nuzhat Iqbal) was missed out in the original publication. The complete updated author list is given below:

R. L. Nelson, N. M. Iqbal, A. Kravets, R. Khateeb, M. Raza, M. Siddiqui, I. Taha, A. Tummala, R. Epple, S. Huang, M. Wen.