[1] Charite Campus Benjamin Franklin, Berlin, Germany
[2] Clin Med Osp Vittorio Emanuele, Catania, Italy
[3] KAT Hosp, Kifisia, Greece
[4] Univ Uppsala Hosp, Uppsala, Sweden
[5] Cent Diagnost & Gesundheit, Munich, Germany
[6] Aerpah Klin, Esslingen, Germany
[7] Policlin Careggi, Florence, Italy
[8] Clin Geriatr, Padua, Italy
[9] Karolinska Univ Sjukhuset Huddinge, Stockholm, Sweden