'method' should be
truefor the true PfPR (default)lmfor the PfPR by light microscopyrdtfor the PfPR by RDTpcrfor the PfPR by PCR
'method' should be
true for the true PfPR (default)
lm for the PfPR by light microscopy
rdt for the PfPR by RDT
pcr for the PfPR by PCR