Authors: H. Niehues, I.M.J.J. van Vlijmen-Willems, J.G.M. Bergboer, F.F.J. Kersten1, M. Narita, W.J.A.J. Hendriks, E.H. van den Bogaard, P.L.J.M. Zeeuwen and J. Schalkwijk.
Authors: C Yong Kang, Department of Microbiology and Immunology, Schulich School of Medicine and Dentistry, Siebens-Drake Research Institute, The University of Western Ontario, London, Ontario, N6G 2V4,