Ulrika Sjöbom 1,2✉, Annika Öhrfelt3 , Aldina Pivodic2 , Anders K. Nilsson2 , Kaj Blennow3,4,5,6, Henrik Zetterberg3,4,7,8,9,10, William Hellström11, Hanna Danielsson12,13, Lotta Gränse14, Karin Sävman11,15, Dirk Wackernagel16,17, Ingrid Hansen-Pupp18, David Ley18, Ann Hellström2 and Chatarina Löfqvist1,2 Neurofilament light chain associates with IVH and ROP in extremely preterm infants Sept 2024 Pediatric Research.