1 Laboratory of Cellular Biology, Department of Morphology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil; National Institute for Amazonian Research, Manaus, AM, Brazil. Electronic address: lrfranca@icb.ufmg.br.
2 Department of Integrative Biology, University of Guelph, Guelph, Ontario N1G 2W1, Canada. Electronic address: gvanderk@uoguelph.ca.
3 CCMAR, Centre of Marine Sciences, University of Algarve, Campus de Gambelas, 8005-139 Faro, Portugal. Electronic address: acanario@ualg.pt.