Authors: Marcus Mumme; Andrea Barbero; Sylvie Miot; Anke Wixmerten; Sandra Feliciano; Francine Wolf; Adelaide M Asnaghi; Daniel Baumhoer; Oliver Bieri; Martin Kretzschmar; Geert Pagenstert; Martin Haug; Dirk J Schaefer; Ivan Martin; Marcel Jakob Journal: Lancet Date: 2016-10-22 Impact factor: 79.321