Authors: Vanessa S. Marsden, Liam O’Connor, Lorraine A. O’Reilly, John Silke, Donald Metcalf, Paul G. Ekert, David C.S. Huang, Francesco Cecconi, Keisuke Kuida, Kevin J. Tomaselli, Sophie Roy, D. W. Nicholson, David L. Vaux, Philippe Bouillet, Jerry M. Adams, Andreas Strasser - Nature 2002 cited by 587