A two-tiered latent class and spatial analytical approach to identify clusters of neonatal mortality among very low birth weight infants: A population-based cohort study - Daniela Testoni Costa-Nobre; Adriana Sanudo; Kelsy Nema Areco; Ana Sílvia Scavacini Marinonio; Milton Harumi Miyoshi; Tulio Konstantyner; Carina Nunes Vieira e Oliveira; Rita de Cassia Xavier Balda; Mandira Daripa Kawakami; Paulo Bandiera-Paiva; Rosa Maria Viera Freitas; Mônica La Porte Teixeira; et al. (PLoS ONE, 2026)