Author contributions
HO
RECRUITMENT
TS was involved in conception of the work (PI), funding application, enrolment of participating centres, supervision of the data collection, participation in data analysis verification of the data and interpretation, writing of the manuscript, critical revision of the manuscript. HO and BC helped in conception of the work, funding application, enrolment of participating centres, patients’ recruitment, data collection, interpretation of the results. LG contributed to data management. RP was involved in statistical analysis. VN and AM helped in interpretation of the results, writing of the manuscript, critical revision of the manuscript. Other authors were involved in patients’ recruitment and data collection. All authors read and approved the final manuscript.