Article History
Received: 12 April 2019
Accepted: 7 January 2020
First Online: 23 January 2020
Compliance with Ethical Standards
:
: The authors declare that they have no conflict of interest.
: This article does not contain any studies with human participants or animals performed by any of the authors.
: This study rely exclusively on information publicly available on Kickstarter platform and adheres to the term of use defined by Kickstarter (ExternalRef removed). Specifically, Kickstarter allows the use of information posted on his platform for non-commercial use.