Sum rule improved double parton distributions in position space M. Diehl, J. R. Gaunt, D. M. Lang, P. Plößl and A. Schäfer Eur. Phys. J. C, 80 5 (2020) 468 Published online: 25 May 2020 DOI: 10.1140/epjc/s10052-020-8038-z