11
enthalten in: BMC health services research | 2017



12
enthalten in: BMC health services research | 2017



13
enthalten in: BMC health services research | 2015



14
enthalten in: BMC health services research | 2015



15
enthalten in: BMC health services research | 2014



16
enthalten in: BMC health services research | 2014



17
enthalten in: BMC health services research | 2013



18
enthalten in: BMC health services research | 2013



19
enthalten in: BMC health services research | 2012



20
enthalten in: BMC health services research | 2012