Erratum to: Helicity amplitude analysis of χ cJ → ϕϕ - The BESIII collaboration; M. Ablikim; M. N. Achasov; P. Adlarson; M. Albrecht; R. Aliberti; A. Amoroso; M. R. An; Q. An; X. H. Bai; Y. Bai; O. Bakina; et al. (Journal of High Energy Physics)