Abstract

The first author would like to thank Coordenacao de Aperfeicoamento de Pessoal de Nivel Superior (CAPES, Brazilian agency) for four months of doctorate international scholarship in Madrid–Spain; the second author thanks the Universidade de Pernambuco (Programa de Fortalecimento Academico/PFA), Maria Batista de Freitas (D. Carminha) and family (sitio Jenipapeiro, Triunfo, PB), for the logistical support and assistance during fieldwork. Authors are grateful to the Conselho Nacional de Desenvolvimento Cientifico e Tecnologico (CNPq—Brazil, Projeto Pesquisador Visitante Especial PVE/407474/2013–7) for providing the financial support; and also to Prof. Marian Glenn for English revision.

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