[1] Univ Hosp Limoges, Clin Gerontol, Limoges, France
[2] Univ Poitiers Hosp, PRISMAT Predict Res Spine Neurostimulat Managemen, Poitiers, France
[3] Univ Cattolica Sacro Cuore, Rome, Italy
[4] Fdn Policlin Univ Agostino Gemelli IRCCS, Rome, Italy
[5] Univ Helsinki, Helsinki Univ, Dept Gen Practice & Primary Hlth Care, Unit Primary Hlth Care,Cent Hosp, Helsinki, Finland
[6] Getafe Univ Hosp, Fdn Biomed Res, Madrid, Spain
[7] Univ Iceland, Fac Hlth Promot Sports & Leisure Studies, Sch Educ, Reykjavik, Iceland
[8] Landspitali Univ Hosp, Iceland Gerontol Res Ctr, Reykjavik, Iceland
[9] Univ Iceland, Reykjavik, Iceland
[10] Med Univ Graz, Dept Internal Med, Graz, Austria
[11] Med Univ Graz, Dept Internal Med, Div Nephrol, Graz, Austria
[12] Diabet Frail Ltd, Fdn Diabet Res Older People, Luton, Beds, England
[13] Univ Hosp Ramon Cajal IRYCIS, Madrid, Spain
[14] Univ Helsinki, Clinicum, Helsinki, Finland
[15] Helsinki Univ Hosp, Med & Rehabil, Helsinki, Finland
[16] Univ Oulu, Ctr Life Course Hlth Res, Oulu, Finland
[17] Maastricht Univ, Dept Hlth Serv Res, Med Ctr, Maastricht, Netherlands
[18] Maastricht Univ, Sch Nutr & Translat Res Metab NUTRIM, Dept Resp Med, Med Ctr, Maastricht, Netherlands
[19] Maastricht Univ, Dept Hlth & Fitness, Med Ctr, Maastricht, Netherlands
[20] Charles Univ Prague, Fac Med 1, Prague, Czech Republic
[21] South Bohemian Univ, Fac Social & Hlth Sci, Ceske Budejovice, Czech Republic
[22] IRCCS, Sci Direct, INRCA, Ancona, Italy
[23] Univ Hosp Getafe, Geriatr Serv, Madrid, Spain
[24] FAU Erlangen Nurnberg, Inst Biomed Aging, Nurnberg, Germany