Thick braneworlds and the Gibbons-Kallosh-Linde no-go theorem in the Gauss-Bonnet framework M. Dias, J. M. Hoff da Silva and Roldão da Rocha EPL, 110 2 (2015) 20004 Published online: 06 May 2015 DOI: 10.1209/0295-5075/110/20004