... study, and participated in its design and coordination and draft the manuscript. CAB carried out the acquisition of the data,analysis and interpretation of data. She has been involved in revising ... thestudy, and participated in its design and coordination and helped to draftthe manuscript.All authors read and approved the final manuscript.Authors’ informationNoneCompeting interestsThe ... 2001, 2003, and 2006. The SNHS is anongoing, home-based personal interview examining anational representative sample of non-institutionalizedpopulation residing in main family dwellings (house-holds)...