contributed to the design of the study, carried out experiments, interpreted data and contributed to the manuscript.
RG contributed to the conceptualization of the study, carried out statistical analyses, and drafted the manuscript.
PJ conceived the idea of the study, carried out data collection and data analysis.
GZ participated in design of the study, carried out the study and drafted the manuscript.
GG participated in the design of the study, carried out the data collection and sampling.
EJG helped to conceive of the study, carried out the experiments, and drafted the manuscript.
MG conceived of the study, carried out the experiments and drafted the manuscript.
MZ participated in the design of the study, carried out the fieldwork, and drafted the manuscript.
SB participated in the design of the study, carried out the analyses and drafted the manuscript.
AA made the design of the study, carried out the interviews and transcribed them.
GJ conceived of the study, carried out the parameter estimation and wrote the manuscript.
