1 Infection Control, Balgrist University Hospital, University of Zurich, Zurich, Switzerland. Electronic address: [email protected].
2 Infection Control, Balgrist University Hospital, University of Zurich, Zurich, Switzerland.
3 Occupational Medicine, Balgrist University Hospital, University of Zurich, Zurich, Switzerland.
4 Medical Director, Balgrist University Hospital, University of Zurich, Zurich, Switzerland; Orthopedic Surgery, Balgrist University Hospital, University of Zurich, Zurich, Switzerland.