Estrada, A, Garber, P, Mittermeier, R, Wich, SA, Gouveia, S, Dobrovolski, R, Nekaris, KAI, Nijman, V, Rylands, AB, Maisels, F, Williamson, EA, Bicca-Marques, J, Fuentes, A, Jerusalinsky, L, Johnson, S, Rodrigues de Melo, F, Oliveira, L, Schwitzer, C, Roos, C, Cheyne, SM et al, Kierulf, MCM, Raharivololona, B, Talebi, M, Ratsimbazafy, J, Supriatna, J, Boonratana, R, Wedana, M and Setiawan, A (2018) Primates in peril: the significance of Brazil, Madagascar, Indonesia and the Democratic Republic of the Congo for global primate conservation. PeerJ, 15 (6). ISSN 2167-8359