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. Author manuscript; available in PMC: 2016 Jul 18.
Published in final edited form as: Nat Biotechnol. 2016 Jan 18;34(2):184–191. doi: 10.1038/nbt.3437
Tier Description Avana Asiago
i 0.9-1.0 3% 3%
ii 0.8-0.9 14% 15%
iii 0.7-0.8 22% 23%
iv 0.6-0.7 23% 22%
v 0.5-0.6 17% 16%
vi 0.4-0.5 10% 10%
vii 0.3-0.4 6% 6%
viii 0.2-0.3 3% 3%
ix 0-0.2 1% 1%