1
enthalten in: BMJ (Clinical research ed.) | 2020



2
enthalten in: BMJ (Clinical research ed.) | 2017



3
enthalten in: BMJ (Clinical research ed.) | 2016



4
enthalten in: BMJ (Clinical research ed.) | 2016



5
enthalten in: BMJ (Clinical research ed.) | 2014



6
enthalten in: BMJ (Clinical research ed.) | 2013



7
enthalten in: BMJ (Clinical research ed.) | 2012