Conflict of interest statement The authors have no conflict of interest. Similar articles Disentangling the disabling process: insights from the precipitating events project. Gerontologist. 2014 Aug;54(4):533-49. doi: 10.1093/geront/gnu067. Gerontologist. 2014. PMID: 25035454 Free PMC article. Review. The role of intervening illnesses and injuries in prolonging the disabling process. J Am Geriatr Soc. 2015 Mar;63(3):447-52. doi: 10.1111/jgs.13319. Epub 2015 Mar 4. J Am Geriatr Soc. 2015.