Authors’ contributions
HAND PRESENTATION, RECRUITMENT
GP initiated the research, planned the study and the ethics approval together with GA. Collaboration was initiated with BS, who was also involved in the early planning of the study. GP was responsible for and involved in patient recruitment, and gave the verbal information to the eligible patients. GP was responsible for collecting the data in consultation with GA. GP performed the statistical analyses, analyzed the data, interpreted the results, and drafted the manuscript. EEH contributed to the planning and presentation of the study. All authors contributed substantially to the revision and editing of the manuscript. All authors read and approved the final manuscript.