Correction: Validation of a redesigned pan-poliovirus assay and real-time PCR platforms for the global poliovirus laboratory network

by Hong Sun, Chelsea Harrington, Nancy Gerloff, Mark Mandelbaum, Stacey Jeffries-Miles, Lea Necitas G. Apostol, Ma. Anne-Lesley D. Valencia, Shahzad Shaukat, Mehar Angez, Deepa K. Sharma, Uma P. Nalavade, Shailesh D. Pawar, Elisabeth Pukuta Simbu, Seta Andriamamonjy, Richter Razafindratsimandresy, Everardo Vega