Membrane fusion intermediates and the effect of cholesterol: An in-house X-ray scattering study S. Aeffner, T. Reusch, B. Weinhausen and T. Salditt Eur. Phys. J. E, 30 2 (2009) 205-214 Published online: 17 June 2009 DOI: 10.1140/epje/i2009-10466-x