Funding for this research was provided by:
Swiss School of Public Health
Received: 18 August 2016
Accepted: 30 May 2018
First Online: 15 June 2018
Ethics approval and consent to participate
: The study was approved by the Ethics Committee of the Canton de Vaud (Protocol #76/13) and conducted according to the WMA Declaration of Helsinki - Ethical Principles for Medical Research Involving Human Subjects. Data used in this study were extracted from two administrative databases, named AXYA and Gyroflux. Patients provide general permission for data collection upon hospital admission and specific access for the study was granted by the Direction of the University of Lausanne Medical Center (CHUV).
: The authors declare that they have no competing interests.
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