Protic D, Savic D, Andjelkovic D, Djukanovic N, Zdravkovic M, Djurasevic SF, Todorovic Z (2016) Nosocomial coagulase-negative staphylococci in Belgrade: between Scylla and Charybdis. J Infect Dev Ctries 10:907–912. doi: 10.3855/jidc.7939