Relativistic quantum dynamics of scalar bosons under a full vector Coulomb interaction Luis B. Castro, Luiz P. de Oliveira, Marcelo G. Garcia and Antonio S. de Castro Eur. Phys. J. C, 77 5 (2017) 310 Published online: 16 May 2017 DOI: 10.1140/epjc/s10052-017-4881-y