... conception of the study, and acquisition, analysis and interpretation of the data, and participated in drafting the manuscript. RG partici-pated in the analysis and interpretation of the data. SG con-tributed ... study isdifferent from that of a random population, and they may have a tendency to exaggerate self-perceived severity. The repeatability of the FAS index was excellent, as shown by the CCC, and ... contributionsFS contributed to the conception of the study, and the acqui-sition, analysis and interpretation of the data, and participatedin drafting the manuscript. PSP contributed to the conceptionof...