Roller-Wirnsberger R, Masud T, Vassallo M, Zöbl M, Reiter R, Van Den Noortgate N, Petermans J, Petrov I, Topinkova E, Andersen-Ranberg K, Saks K, Nuotio M, Bonin-Guillaume S, Lüttje D, Mestheneos E, Szekacs B, Jonsdottir AB, O'Neill D, Cherubini A, Macijauskiene J, Leners JC, Fiorini A, van Iersel M, Ranhoff AH, Kostka T, Duque S, Prada GI, Davidovic M, Krajcik S, Kolsek M, DEL NOZAL JM, Ekdahl AW, Münzer T, Savas S, Knight P, Gordon A, Singler K.. European postgraduate curriculum in geriatric medicine developed using an international modified Delphi technique.