1 Grupo de Estudios Ambientales, IMASL-CONICET & Universidad Nacional de San Luis, Avenida Ejercito de los Andes 950 (5700), San Luis, Argentina.
2 School of Biological Sciences, The University of Western Australia, 35 Stirling Highway, Crawley (Perth), Western Australia, 6009, Australia.
3 Department of Forest Ecology and Management, Swedish University of Agricultural Sciences, Umeå, SE-901 83, Sweden.
4 Smithsonian Tropical Research Institute, Apartado 0843-03092, Balboa, Republic of Panama.
5 Asian School of the Environment, Nanyang Technological University, 50 Nanyang Avenue, Singapore, 639798, Singapore.
6 Centre sur la Biodiversité, Département de Sciences Biologiques, Institut de Recherche en Biologie Végétale, Université de Montréal, 4101 Sherbrooke Est, Montréal, Quebec, H1X 2B2, Canada.