The publisher regrets that, due to a technical error, the Conflict of Interest declared by the authors was not included in the published paper. We wish to apologise to the authors and to the readers for any inconvenience caused. The Conflict of Interest statement is given below and has been updated in the online version of the paper.

R. Pérez works for EA Int., company that develops EcosimPro, but this work is in the frame of his PhD. Explicit mention is made of similar tools to Ecosimpro that may be used for the same development.

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