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Supplemental Information

Supplemental Materials: Methods, Data, Figures and Tables

DOI: 10.7287/peerj.preprints.358v2/supp-1

Additional Information

Competing Interests

Roberto Maffei, Livia Selene Convertini, Sabrina Quatraro, Stefania Ressa and Annalisa Velasco are members of A.L.B.E.R.T. (ARPA-Firenze Landmarks on human Behaviour Experimental Research Team) and carried out the research through voluntary work.

Author Contributions

Roberto Maffei conceived and designed the experiments, performed the experiments, analyzed the data, contributed reagents/materials/analysis tools, wrote the paper, prepared figures and/or tables, reviewed drafts of the paper, carried out the pilot sessions.

Livia S Convertini performed the experiments, analyzed the data, wrote the paper, reviewed drafts of the paper, carried out the pilot sessions; Carried out data entry; Controlled and harmonized the entered texts.

Sabrina Quatraro performed the experiments, analyzed the data, wrote the paper, reviewed drafts of the paper, carried out the pilot sessions; Carried out data entry; Controlled and harmonized the entered texts.

Stefania Ressa performed the experiments, analyzed the data, wrote the paper, reviewed drafts of the paper, carried out the pilot sessions; Carried out data entry; Controlled and harmonized the entered texts.

Annalisa Velasco performed the experiments, analyzed the data, wrote the paper, reviewed drafts of the paper, carried out the pilot sessions; Carried out data entry; Controlled and harmonized the entered texts.

Ethics

The following information was supplied relating to ethical approvals (i.e., approving body and any reference numbers):

1. Internal Ethics Committee for the Scientific Research of the Association ARPA-Firenze.

2. Even though we think our research does not touch any critical ethics subject (it is extensively explained in our Method section), we requested the Committee's approval. The Committee held a dedicated session to our research (April 2, 2012) and its approval was given through a formal decision documented by the session's official report, signed by all the Committee's members and filed in the Association's archives.

Funding

No external funding sources for this study.


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