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Fig. 2 | BMC Medical Research Methodology

Fig. 2

From: Nested and multipart prospective observational studies, flaming fiasco or efficiently economical?: The Brain, Bone, Heart case study

Fig. 2

Brain, Bone, Heart (BBH) Study Visit Components and Visit Schedule [1]. BBH is a Nested, Multipart sub-study of WIHS, which later transitioned to MWCCS. BBH Study Visits are linked to the nearest parent study visit. Legend: BBH: Brain, Bone, Heart Study; MWCCS: Multicenter AIDS Cohort Study (MACS)/Women’s Interagency HIV Study (WIHS) Combined Cohort Study (MWCCS); DEXA: dual energy X-ray absorptiometry; QCT: quantitative computed tomography; MRI: magnetic resonance imaging; CCTA: coronary computed tomography angiography; CIMT: carotid intima-media thickness

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BMC Medical Research Methodology

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