An acknowledgement of the source of patient data was missing from the article by Bregigeon et al..
The following additional sentence should be added at the very end of the second paragraph, entitled ‘Study design and patients’: “Data on frailty markers for 30 participants were collected from the VISAGE 3 study, Assistance Publique Hôpitaux de Marseille (AP-HM).”
1. Bregigeon S, Galinier A, Zaegel-Faucher O, Cano CE, Obry V, Laroche H, et al. Frailty in HIV infected people: a new risk factor for bone mineral density loss?