Cross-cultural adaptation to Brazilian Portuguese of the Activity Measure for Post-Acute Care (AM-PAC) short forms for outpatients in rehabilitation.

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

"We would like to thank Dr. Alan Jette for the suggestions provided to the project and for the valuable information and documents shared; the translation team: Daniela Vaz, Fabiana Caetano Silva Dutra, Fabiane Ribeiro Ferreira, Maíra Amaral, Sheyla Rossana Cavalcanti Furtado, Vera Marães; the professionals and professors who participated in the item equivalence analysis: Adriana Silva Drumond, Ana Paula Bensemann Gontijo, Danielle Aparecida Gomes Pereira, Gisele Beatriz de Oliveira Alves, Lúcia Helena de Assis Cabral, Talita Naiara Rossi da Silva; the professional who contributed on the psychometric analysis: Pollyana Ruggio Tristão Borges, Jane Fonseca Dias, Bruna Avelar; and the following sources of funding: (1) Ministry of Science, Technology and Innovation (MCTI), Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq), Ministry of Health – REBRATS (n°06/2013); (2) MCTI/CNPq – Universal (n°14/2013); (3) Fundação de Amparo à Pesquisa do Estado de Minas Gerais (FAPEMIG)."