FUNDING INFORMATION
This research was supported by a Centre of Research Excellence grant from the Australian National Health and Medical Research Council (ID 1171422), to the Australian Trials Methodology (AusTriM) Research Network. BCK and TPM are funded by the UK MRC, grants MC_UU_00004/07 and MC_UU_00004/09. KJL and TRS are supported by the Australian National Health and Medical Research Council (KJL Career Development Fellowship ID 1127984; TRS Emerging Leadership Grant ID 1173576).