1. Joint Lab of Invertebrate Virology, Wuhan Institute of Virology, Chinese Academy of Sciences, Wuhan, Hubei 430071, People’s Republic of China2
2. Laboratory of Virology, Wageningen University, Binnenhaven 11, 6709 PD Wageningen, The Netherlands1
3. Dupont Agricultural Products, Stine–Haskell Research Center, E.I. du Pont de Nemours and Co., PO Box 30, Newark, DE 19714-0030, USA3