The Brazilian Back Complaints in the Elders (Brazilian BACE) study: characteristics of Brazilian older adults with a new episode of low back pain.

"Conflicts of interest The authors declare no conflicts of interest."

"Authors would like to thank all researchers involved in the development of the BACE consortium, especially professors Bart W. Koes and Chris G. Maher, and those who were involved in developing the protocol, Jantine Scheele, Pim A.J. Luijsterburg, Wilco C. Peul, Maurits W. van Tulder, Arthur M. Bohnen, Marjolein Y. Berger, Sita M.A. Bierma-Zeinstra. Authors would also like to thank professors Joao Marcos Dias and Rosangela Correa Dias for their support given to the Brazilian BACE. Funding sources : The Brazil BACE cohort study was funded by Conselho Nacional de Desenvolvimento Científico e Tecnológico ( CNPq ). This study was also funded by two other funding agencies, Coordenação de Aperfeiçoamento de Pessoal de Nível Superior ( CAPES ) and Fundação de Amparo à Pesquisa do Estado de Minas Gerais ( FAPEMIG ), Brazil. Fabianna received a sandwich PhD scholarship from CAPES for studying at the University of Sydney. Juscelio received a PhD scholarship from CNPq."