Author contributions
HTN, TB, AD, CMD
HTN
HTN, AD and MDA designed the economic evaluation study, accompanying the trial inception and implementation, with contributions from SB, LB, MK, CD and TB. HTN, AD and MDA designed the data collection strategy and developed the data collection tools, with contributions from SB, LB, MK, CD and TB. HTN acquired the data with support from AD, MDA, LK, MK, LB, and RB. HTN analysed the data with support and guidance from MDA, SB and AD. HTN drafted the paper. MDA, AD, CMD, LK and MK critically reviewed the paper. All authors contributed to results interpretation and manuscript writing. All authors read and approved the final manuscript for submission.