title: Comment on "Serum melatonin levels are associated with mortality in severe septic patients" by Lorente et al., J Crit Care (2015), http://dx.doi.org/10.1016/j.jcrc.2015.03.023.
authors.affiliation: Biomedical Research Center, University of Granada, Spain.
authors.forename: Dario
authors.initials: D
authors.lastname: Acuña-Castroviejo
authors.affiliation: Experimental Research Unit, University Hospital Virgen de las, Nieves, Granada, Spain.
authors.forename: Pablo
authors.initials: P
authors.lastname: Bueno-Laraño