Additional file 1: of A complex health services intervention to improve medical care in long-term care homes: study protocol of the controlled coordinated medical care (CoCare) study BrühmannBoris ReeseChristina KaierKlaus OttMargrit MaurerChristoph KunertSimone SaurerBruno FarinErik 2019 Interview guide focus group– residents. (PDF 78 kb)