The third affiliation of the paper should have been completed in our original article []. Therefore, in the section “Affiliation”, we would like to add the following information: The fourth author should have been affiliated with the Instituto de Telecomunicações, Instituto Superior Técnico, because this affiliation plays an important role by providing the laboratory.
The authors would like to apologize for any inconvenience caused to the readers by these changes.  
Reference
- Correia, S.D.; Fé, J.; Tomic, S.; Beko, M. Development of a Test-Bench for Evaluating the Embedded Implementation of the Improved Elephant Herding Optimization Algorithm Applied to Energy-Based Acoustic Localization. Computers 2020, 9, 87. [Google Scholar] [CrossRef]
 
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