Received: 28 February 2019
Accepted: 21 May 2019
First Online: 28 May 2019
Change Date: 24 October 2019
Change Type: Correction
Change Details: Following publication of the original article , the authors have notified us that due to administrative reasons they would like to modify the first affiliation from:
Ethics approval and consent to participate
: Local ethics committee (Comitato Etico dell’Area Vasta Emilia Nord, Sede presso la AUSL – IRCCS di Reggio Emilia, Edificio Spallanzani, Viale Umberto I n. 50, 1° piano – Infrastruttura Ricerca e Statistica, Italy) ruled that no formal ethics approval was required in this study.
: Not applicable.
: The authors declare that they have no competing interests.