Authors: Robert H E Friesen; Wouter Koudstaal; Martin H Koldijk; Gerrit Jan Weverling; Just P J Brakenhoff; Peter J Lenting; Koert J Stittelaar; Albert D M E Osterhaus; Ronald Kompier; Jaap Goudsmit Journal: PLoS One Date: 2010-02-08 Impact factor: 3.240