Variation in timing of decisions to withdraw life-sustaining treatment in adult ICU patients from three centres in different geographies: Do clinical factors explain the difference? - Seligman WH; Sadovnikoff N; Joubert IA; Hutton P; Flint M; Courtwright AM; Krishnamurthy KB; Joseph AM; McKechnie S (The Southern African journal of critical care : the official journal of the Critical Care Society, 2020)