Funding
This work was supported by the French Health Ministry (DGOS) PHRCN 2013 [Grant number 1: 13-0232] and the Caisse Nationale de Solidarité pour l’Autonomie (CNSA) [Grant number 2: 030319]. The CHU of Montpellier (AOI) provided additional support. The funders had no role in study design, data collection and analysis, decision to publish or preparation of the manuscript.