{Reference Type}: Letter {Title}: 15-day mortality and associated risk factors for hospitalized patients with COVID-19 in Wuhan, China: an ambispective observational cohort study. {Author}: Wang K;Zhang Z;Yu M;Tao Y;Xie M; {Journal}: Intensive Care Med {Volume}: 46 {Issue}: 7 {Year}: 07 2020 {Factor}: 41.787 {DOI}: 10.1007/s00134-020-06047-w {Abstract}: