Towards high-order calculations of three-nucleon scattering in chiral effective field theory. - Epelbaum, E.; Golak, J.; Hebeler, K.; Kamada, H.; Krebs, H.; Meißner, U.-G.; Nogga, A.; Reinert, P.; Skibiński, R.; Topolnicki, K.; Volkotrub, Yu.; Witała, H. (European Physical Journal A -- Hadrons & Nuclei, 2020)