Figure 1. Cartoon showing the logistic and experimental set-up of this inter-laboratory study. FFPE = formalin-fixed and paraffin-embedded; MGMT = O6-methylguanine-methyltransferase promoter; MSRE = methylation-sensitive restriction enzyme-based polymerase chain reaction; PSQ = pyrosequencing; RCLPE = RCL2-fixed and paraffin-embedded.
