1. La Paz University Hospital Department of Geriatrics, , Madrid, Spain
2. Research Institute La Paz (IdiPAZ) , Madrid, Spain
3. Universidad Autónoma de Department of Medicine. , Madrid, Spain
4. University Centre for Geriatrics ZNA (Ziekenhuis Netwerk Antwerpen) University of Antwerp , Antwerp, Belgium
5. Cruz Roja University Hospital Department of Geriatrics, , Madrid, Spain
6. Alfonso X El Sabio University Department of Medicine, , Madrid, Spain
7. Leeds Teaching Hospitals NHS Trust Department of Radiology, , Leeds, UK
8. La Paz University Hospital Department of Internal Medicine. , Madrid, Spain
9. Hamad Medical Corporation Department of Geriatrics and Long-term Care, , Doha, Qatar
10. Bolton University School of Medicine, , Bolton, UK