[1
]
Department of Infectious Diseases, Bern University Hospital and University of Bern,
CH-3010 Bern, Switzerland; Institute of Social and Preventive Medicine, University
of Bern, Bern, Switzerland. Electronic address: gilles.wandeler@ispm.unibe.ch.
[2
]
Centre for Infectious Disease Research in Zambia, Lusaka, Zambia; Department of Medicine,
University of Zambia, Lusaka, Zambia.
[3
]
Centre for Infectious Disease Research in Zambia, Lusaka, Zambia; Department of Medicine,
University of Alabama at Birmingham, Birmingham, Alabama, USA.
[4
]
Division of Infectious Diseases and Hospital Epidemiology, University Hospital Zurich,
University of Zurich, Zurich, Switzerland.
[5
]
University Hospital Basel, Basel, Switzerland.
[6
]
University Hospital Geneva, Geneva, Switzerland.
[7
]
University Hospital Lausanne, Lausanne, Switzerland.
[8
]
Regional Hospital, Lugano, Switzerland.
[9
]
Cantonal Hospital, St. Gallen, Switzerland.
[10
]
Department of Medicine, University of Zambia, Lusaka, Zambia.
[11
]
Centre for Infectious Disease Research in Zambia, Lusaka, Zambia.
[12
]
Institute of Social and Preventive Medicine, University of Bern, Bern, Switzerland;
Centre for Infectious Disease Epidemiology and Research, University of Cape Town,
South Africa.
[13
]
Department of Infectious Diseases, Bern University Hospital and University of Bern,
CH-3010 Bern, Switzerland.