Busse Reinhard, Geissler Alexander, Aaviksoo Ain, Cots Francesc, Häkkinen Unto, Kobel Conrad, Mateus Céu, Or Zeynep, O'Reilly Jacqueline, Serdén Lisbeth, Street Andrew, Tan Siok Swan, Quentin Wilm
Department of Health Care Management, Straße des 17 Juni 135, 10623 Berlin, Germany.
BMJ. 2013 Jun 7;346:f3197. doi: 10.1136/bmj.f3197.