5 Department of Diabetes, School of Life Course Sciences, King's College London, London, UK.
6 Charité-Universitätsmedizin Berlin Institute of Virology, Berlin, Germany.
7 Transfusion Medicine, Medical Faculty Carl Gustav Carus, Technische Universität Dresden, Institute for Transfusion Medicine, German Red Cross Blood Donation Service North-East, 01307 Dresden, Germany.