[1] Sorbonne Univ, Grp Hosp Pitie Salpetriere Charles Foix, Assistance Publ Hop Paris, Serv Geriatrie, Paris, France
[2] Univ Versailles St Quentin, EpRec, CESP Equipe 5, INSERM U 1018, Villejuif, France
[3] Univ Lyon, UCBL, Ctr Hosp Lyon Sud, INSERM CarMeN,CENS,Serv Nephrol Nutr Dialyse, Pierre Benite, France