The procedure for human subject data collection required four steps: 1. Recruitment and screening of candidate subjects based on the selection criteria stated above.
All project staff met University and VA standards for research compliance and human subject data collection.
(DOCX 22 kb) Additional file 2: Chronic Kidney Disease Observational Database subject data collection forms.
Following 12 months of participation by each subject, data collection was completed by the end of November 2007.
EW carried out the recruitment of the subjects, data collection, data analysis, and drafted the manuscript.
JYP: drafting the manuscript, enrolling subjects, data collection, and data analysis.
The other members of the Working Group contributed to recruitment of subjects, data collection and interpretation of the results.
For additional details on subjects, data collection methods, liver pathology, and statistical analyses, see supplementary Methods in the online appendix.
KK, EN, AC, and IA were responsible for the execution of the study, including screening and consenting eligible study subjects, data collection, data analysis, and manuscript preparation.
MC was responsible for the design and execution of the study, including screening and consenting eligible study subjects, data collection (including echocardiography measurements), data analysis, and manuscript preparation.
Details regarding the study design, including subjects, data collection, demographic parameters, biochemical analysis and quality control have been reported previously [ 47].
