Influence of cholesterol on the collective dynamics of the phospholipid acyl chains in model membranes B. Brüning, M. C. Rheinstädter, A. Hiess, B. Weinhausen, T. Reusch, S. Aeffner and T. Salditt Eur. Phys. J. E, 31 4 (2010) 419-428 Published online: 20 April 2010 DOI: 10.1140/epje/i2010-10574-6