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There was an error in the first affiliation for author Fernando Otálora-Luna. The affiliation should be:
Laboratorio de Ecología Sensorial, Centro Multidisciplinario de Ciencias, Instituto Venezolano de Investigaciones Científicas (IVIC), Loma de Los Guamos, Parroquia Jají, Edo. Mérida, República Bolivariana de Venezuela
Competing Interests: No competing interests declared.
