Author Contributions
SUP, SD and SJ designed the study. RDTS, DNS, QC and FH identified study
areas and designed fieldwork. SUP, RDTS, DNS, XD, FH, and PBF performed
the fieldwork. XD conducted the laboratory work. XD, SD performed the
data analysis. XD and AF drafted the manuscript. All authors contributed
to the writing of the manuscript. All authors approved the final draft
of the manuscript.