Received: 7 March 2019
Revised: 6 February 2020
Accepted: 17 February 2020
First Online: 27 February 2020
Compliance with ethical standards
: The authors declare that they have no conflict of interest. The authors have received funding from the State Lottery for data collection. Apart from this, no funding was used to conduct the present study, and the financiers of the data collection had no role in the study design, data collection and analysis, decision to publish, or preparation of the manuscript.