University of Bonn Medical Centre. Institute of Virology. Bonn, Germany / Federal University of Bahia. University Hospital Prof. Edgard Santos. Infectious Diseases Research Laboratory. Salvador BA, Brazil.; Justus Liebig University. Institute of Medical Virology. National Reference Center for Hepatitis B and D Viruses. Giessen, Germany / German Centre for Infection Research. Germany.; University of Bonn Medical...