We delve into the detail of HSJ's comprehensive survey of integrated care board leaders, as well as new interventions on the future of ICBs from NHS England and Wes Streeting. 

From leaders’ biggest worries, and their achievements thus far, to their plans for the future, HSJ Health Check highlights some of the more surprising findings.

Also, more on the shadow health secretary's recent comments on tensions between ICBs and foundation trusts, and NHS England's new assessment framework.

With Annabelle Collins, Nick Kituno and Dave West.