[1] Med. Poliklinik,
[2] Dept. of Infectious Diseases,undefined
[3] University of Munich,undefined
[4] Pettenkoferstr. 8a,undefined
[5] D-80336 Munich,undefined
[6] Germany; Phone: (+49/89) 5160-3598,undefined
[7] Fax: -3593,undefined
[8] e-mail: jobogner@pk-i.med.uni-muenchen.de,undefined