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ISG' activities are on educational, research, and data distribution sides: principal purposes of ISG are the collection and distribution of geoid models, the collection and distribution of software for geoid computation, and the organization of technical schools on geoid determinations. ISG collects and disseminates worldwide local and regional geoid models estimated by geodetic Institutions and researchers of many countries. More than 30 countries are represented, listed in alphabetic order or localized on a map
Older persons are often referred to physicians because of complaints of progressive difficulties in walking. The diagnostic and therapeutic approach to these patients is complex. Multiple physiologic subsystems may influence the ability to walk and no standard criteria are currently available to establish whether these subsystems are functioning within the “normal” range. To address lack of knowledge Dr. Luigi Ferrucci and Dr. Stefania Bandinelli conducted InCHIANTI, a representative population-based study of older persons living in the Chianti geographic area (Tuscany, Italy). The data collection started in September 1998 and was completed in March 2000. 3 and 6-year follow-up assessment of the InCHIANTI study population were performed in the years 2001-2003 and 2004-2006. A nine-year follow-up is already planned and funded through an NIA grant. The InCHIANTI Biobank is a collection of biological samples of the study population.