Determination of server location in emergency care systems: an index proposal using data envelopment analysis and the hypercube queuing model. - Enzo Barberio Mariano; Regiane Máximo Siqueira; Caio Vitor Beojone; Octaviano Rojas Luiz; Joao Victor Rojas Luiz; Hugo Henrique dos Santos (PeerJ Comput. Sci., 2023)