Abstract
1 Institute of Virology, Building 47, University of Saarland Medical School, 66421 Homburg/Saar, Germany
2 University of Luxembourg, Life Sciences Research Unit, Campus Limpertsberg 162A, L-1511 Luxembourg, Luxembourg
3 Institute Pasteur Korea, 696 Sampyeong-dong, Gyeonggi-do 463-400, Republic of Korea
4 José Carreras Research Centre, Bldg 45.3, University of Saarland Medical School, 66421 Homburg/Saar, Germany