[1] MRC National Institute for Medical Research,Division of Molecular Structure
[2] The Ridgeway,Division of Virology
[3] Mill Hill,undefined
[4] London NW7 1AA,undefined
[5] UK,undefined
[6] MRC National Institute for Medical Research,undefined
[7] The Ridgeway,undefined
[8] Mill Hill,undefined
[9] London NW7 1AA,undefined
[10] UK,undefined