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. Author manuscript; available in PMC: 2013 Jun 9.
Published in final edited form as: Twin Res Hum Genet. 2008 Apr;11(2):183–196. doi: 10.1375/twin.11.2.183

FIGURE 2.

FIGURE 2

Flow diagram showing steps in data collection from original ascertainment of index cases to most recent follow-up of the four original samples, Queensland study of Melanoma: Environmental and Genetics Associations (Q-MEGA), Queensland, Australia, 1987–2005

*Subjects for whom sufficient DNA was still available were not re-approached for blood.

†See Methods for eligibility criteria.