[1] Medius Klin Ostfildern Ruit & Nurtingen, Dept Internal Med Geriatr Med, Palliat Med & Diabetol, Ostfildern, Germany
[2] Agaples Diakonie Klinikum Hamburg, Dept Geriatr Med, Hamburg, Germany
[3] Univ Hosp Heidelberg, Dept Cardiol Angiol & Pneumol, Heidelberg, Germany