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. Author manuscript; available in PMC: 2016 Apr 1.
Published in final edited form as: Proc IEEE Int Symp Biomed Imaging. 2015 Apr;2015:449–453. doi: 10.1109/ISBI.2015.7163908

Table 1.

Cohort Demographics.

N Age Sex
Monozygotic twins (MZ) 228 22.38±2.74 y 72M
Dizygotic twins (DZ) 320 22.22±2.55 y 127M
Siblings 305 23.56±2.99 y 108M
Total 853 22.74±2.83 y 306M