Symmetric wormholes in Einstein-vector–Gauss–Bonnet theory Simon Barton, Claus Kiefer, Burkhard Kleihaus and Jutta Kunz Eur. Phys. J. C, 82 9 (2022) 802 Published online: 08 September 2022 DOI: 10.1140/epjc/s10052-022-10761-8