Errors were subsequently identified in the article originally published online, and the following corrections should be noted: Correction to author name: Page 1, author listing and corresponding author details: The name of the first and corresponding author was incorrectly formatted and should read: Sek Hung Chau. Correction to Figure 1: Page 3, Fig. 1: An arrowhead was omitted between the “Healthy” and “Hip fracture” health states in the figure. The corrected figure is shown here. (Figure presented.).