1. An aging nation: the older population in the United States. Suitland;Ortman,2014
2. Prevalence of obesity among adults and youth: United States, 2011-2014;Ogden;NCHS Data Brief,2015
3. Association of all-cause mortality with overweight and obesity using standard body mass index categories: a systematic review and meta-analysis;Flegal;JAMA,2013
4. Bariatric surgery in elderly patients: a systematic review;Victorzon;Clin Interv Aging,2015