M. Jawad,1 R. Schoop,2 A. Suter,2 P. Klein,3 and R. Eccles1
1Common Cold Centre and Healthcare, Cardiff University, Cardiff CF10 3XQ, UK 2 Cardiff School of Biosciences, Common Cold Centre, The Sir Martin Evans Building, Museum Avenue, Cardiff CF10 3AX, UK 3D. S. H. Statistical Services GmbH, 85296 Rohrbach, Germany