A novel optical biosensor for the early diagnosis of sepsis and severe Covid-19: the PROUD study oleh Sarantia Doulou, Konstantinos Leventogiannis, Maria Tsilika, Matthew Rodencal, Konstantina Katrini, Nikolaos Antonakos, Miltiades Kyprianou, Emmanouil Karofylakis, Athanassios Karageorgos, Panagiotis Koufargyris, Gennaios Christopoulos, George Kassianidis, Kimon Stamatelopoulos, Robert Newberry, Evangelos J. Giamarellos-Bourboulis