The Casimir effect for the scalar and Elko fields in a Lifshitz-like field theory R. V. Maluf, D. M. Dantas and C. A. S. Almeida Eur. Phys. J. C, 80 5 (2020) 442 Published online: 19 May 2020 DOI: 10.1140/epjc/s10052-020-8020-9