Authors: Cécile Knai; Mark Petticrew; Nicholas Mays; Simon Capewell; Rebecca Cassidy; Steven Cummins; Elizabeth Eastmure; Patrick Fafard; Benjamin Hawkins; Jørgen Dejgård Jensen; Srinivasa Vittal Katikireddi; Modi Mwatsama; Jim Orford; Heide Weishaar Journal: Milbank Q Date: 2018-09 Impact factor: 4.911