Rethinking emergency risk assessment: A single-center look at shock index and its variants in COVID-19 - Annyi Tatiana Belalcazar; Valeria Monroy Lasso; José Darío Álvarez Herazo; Ana Clarete; Roger Figueroa-Paz; Duban Maya-Portillo; Julio Diez-Sepúlveda (PLoS ONE, 2026)