Institution: | (1) Centre for Humanities and Health Sciences, Department of the Education for Nurse and Paramedical Teachers and Nursing Science, Charit?-Universit?tsmedizin Berlin, Charit?platz 1, 10117 Berlin, Germany;(2) Department of Geriatric Medicine, Ain Shams University Hospital, P.O. Box 9560, Nasr City, Cairo, 11471, Egypt;(3) Department of Geriatric Medicine, Ain Shams University Hospital, P.O. Box 72, Helmiyet El-Zeytoun Distribution, Cairo, 11321, Egypt |