[1] Vrije Univ Amsterdam, Fac Behav & Movement Sci, Dept Human Movement Sci, AgeAmsterdam,Amsterdam Movement Sci, Amsterdam, Netherlands
[2] Bispebjerg & Frederiksberg Univ Hosp, Geriatr Dept, Geriatr Res Unit, Copenhagen, Denmark
[3] Univ Castilla La Mancha, GENUD Toledo Res Grp, Toledo, Spain
[4] Vrije Univ Amsterdam, Dept Rehabil Med, Amsterdam Movement Sci, Amsterdam UMC, De Boelelaan 1117, Amsterdam, Netherlands
[5] Univ Copenhagen, Glostrup Hosp, Dept Med, Geriatr Div, Copenhagen, Denmark
[6] Univ Copenhagen, Rigshosp Glostrup, Dept Clin Physiol Nucl Med & PET, Copenhagen, Denmark
[7] Herlev & Gentofte Univ Hosp, Dept Med, Geriatr Res Unit, Herlev, Denmark
[8] Univ Melbourne, Royal Melbourne Hosp, Dept Med & Aged Care, AgeMelbourne, Melbourne, Vic, Australia