[1] European Coll Gerodontol, Athens, Greece
[2] Natl & Kapodistrian Univ Athens, Dept Prosthodont, Div Gerodontol, Sch Dent, Athens, Greece
[3] Jagiellonian Univ, Inst Dent, Med Coll, Fac Med, Krakow, Poland
[4] Univ Ghent, Dent Sch, Community Dent & Oral Publ Hlth, Ghent, Belgium
[5] European Geriatr Med Soc, Krakow, Poland
[6] CNR, Neurosci Inst, Aging Branch, Padua, Italy
[7] Univ Iowa, Coll Dent & Dent Clin, Dept Prevent & Community Dent, Iowa City, IA USA
[8] Queens Univ Belfast, Royal Victoria Hosp, Ctr Publ Hlth, Belfast, Antrim, North Ireland
[9] Univ Geneva, Univ Clin Dent Med, Div Gerodontol & Removable Prosthodont, Geneva, Switzerland
[10] Univ Ghent, Fac Med & Hlth Sci, Dept Internal Med Geriatr, Ghent, Belgium
[11] Med Univ Graz, Dept Internal Med, Graz, Austria
[12] Univ Bern, Sch Dent Med, Div Gerodontol, Bern, Switzerland
[13] Radboud Univ Nijmegen, Med Ctr, Dept Oral Funct & Prosthet Dent, Nijmegen, Netherlands