Radiofrequency echographic multi-spectrometry for the in-vivo assessment of bone strength : state of the art-outcomes of an expert consensus meeting organized by the European Society for Clinical and Economic Aspects of Osteoporosis, Osteoarthritis and Musculoskeletal Diseases (ESCEO) - Díez Pérez, Adolfo (Universitat Autònoma de Barcelona. Departament de Medicina) ; Brandi, Maria Luisa (University of Florence. Department of Biological, Experimental and Clinical Science) ; Al-Daghri, Nasser (King Saud University. Chair for Biomarkers of Chronic Diseases, Biochemistry Department, College of Science) ; Branco, Jaime (Universidade Nova de Lisboa. NOVA Medical School) ; Bruyère, Olivier (Université de Liège) ; Cavalli, Loredana (University of Florence. Department of Biological, Experimental and Clinical Science) ; Cooper, Cyrus (University Hospital Southampton NHS Foundation Trust (Regne Unit)) ; Cortet, Bernard (University Hospital of Lille (França)) ; Dawson-Hughes, Bess (Tufts University. Bone Metabolism Laboratory, Jean Mayer USDA Human Nutrition Research Center on Aging) ; Dimai, Hans Peter (Medical University of Graz. Department of Internal Medicine, Division of Endocrinology and Diabetology) ; Gonnelli, Stefano (University of Siena. Department of Medicine, Surgery and Neurosciences) ; Hadji, Peyman (Frankfurter Hormon und Osteoporose Zentrum, Frankfurt, Germany) ; Halbout, Philippe (International Osteoporosis Foundation, Nyon, Switzerland) ; Kaufman, Jean-Marc (Universitair Ziekenhuis Gent) ; Kurth, Andreas (Mayor Teaching Hospital, Charite Medical School) ; Locquet, Medea (University of Liège. Department of Public Health, Epidemiology and Health Economics) ; Maggi, Stefania (Institute of Neuroscience. National Research Council, Aging Program) ; Matijevic, Radmila (Clinical Center of Vojvodina, Clinic for Orthopedic Surgery) ; Reginster, Jean-Yves (Université de Liège) ; Rizzoli, René (Geneva University Hospitals (Suïssa)) ; Thierry, Thomas (University of Lyon. INSERM 1059)