Meier RDivision of Hand, Reconstructive and Plastic Surgery, Kantonsspital St. Gallen, Rorschacherstrasse, St. Gallen 9000, Switzerland.
Sommacal AInstitute of Pathology, Kantonsspital St. Gallen, Rorschacherstrasse, St. Gallen 9000, Switzerland.
Stahel AInstitute of Virology, Vetsuisse-Faculty, University of Zurich, Zurich, Switzerland.
Grünert JDivision of Hand, Reconstructive and Plastic Surgery, Kantonsspital St. Gallen, Rorschacherstrasse, St. Gallen 9000, Switzerland.
Hoffmann MDivision of Infectious Diseases and Hospital Epidemiology, Cantonal Hospital St. Gallen, Rorschacherstrasse, 95, House 22, St. Gallen 9000, Switzerland.