There are no affiliations or financial involvement with any organization or entity with a direct financial interest in the subject matter or materials discussed in the manuscript.
Authors have no financial or non-financial competing interests to disclose.
MGH and AR conceptualized the study and TT and LO provided important insights. AR designed, planned and supervised the data collection and carried out the analyses. MGH and UK contributed to the construction of the observational coding system, data collection and assisted in interpretation of results. MGH acquired funding. MGH and AR drafted the manuscript and AR had overall responsibility. All authors contributed to the critical revision and approved the final version for publication.
This study was supported by a grant from The Vardal Foundation – for Health Care Sciences and Allergy Research (nr E2001046).