The second part of this analysis, titled: “Body composition assessment in Mexican children and adolescents. Part 2: Cross-validation of three bio-electrical impedance methods against dual X-ray absorptiometry for whole-body and regional body composition”, has already been accepted by Nutrients #1604578. The two analyses were conducted on the same children’s database and closely complement each other. As the accepted manuscript already includes the phrase ‘Part 2’ we prefer to keep ‘Part 1’ here ABSTRACT 2.
I take from the results that those sentences were describing the Bland-Altman procedure, and if so, adding some text along the lines of "In this procedure..." would be helpful.