Autonomic nervous system maturation in preterm neonates: Correlation with gestational and postmenstrual age (ProMote) - Theano Kokkinaki; Aristeidis Petrakis; Ιoannis Kyprakis; Νicole Anagnostatou; Μaria Markodimitraki; Theano Roumeliotaki; Μanolis Tzatzarakis; Έlena Vakonaki; Αristidis Tsatsakis; Haridimos Kondylakis; Εleftheria Hatzidaki (PLoS ONE, 2026)