Author contributions
H.R., M.F., C.M.S., and C.R. contributed to the manuscript conception and design. H.R. prepared the material and was involved in the data collection. She was also the research coordinator and data manager for the RCT. C.R. performed the power calculation and statistical analyses. H.R. wrote the first draft of the manuscript, and she coordinated the statistical analysis and remarks from all co-authors. C.R., M.F., and C.M.S. commented on previous versions of the manuscript. R.N., M.V., L.M., H.S.K., C.R., M.F., C.M.S. proofread the manuscript. All authors actively contributed to the field data collection, writing of the manuscript and approved the final manuscript.