Funding for this research was provided by:
Horizon 2020 Framework Programme (635316)
Received: 12 February 2020
Accepted: 13 April 2020
First Online: 13 May 2020
Ethics approval and consent to participate
: Not applicable for ATHLOS study: ethics approval and participants’ consent to participate were obtained by each study at the time point of surveys’ field trials.
: Not applicable.
: The authors declare that they have no competing interests.