ALB and End Stage Liver Disease: ALBI: albumin-bilirubin; ALICE: albumin-indocyanine green evaluation; CPC: Child-Pugh classification; HH15: heart count ratio after 15 min compared to after 3 min; ICGR15: indocyanine green retention rate at 15 min; LHL15: ratio of liver count to the sum of heart and liver count after 15 min; LU15: cumulative liver uptake of the tracer from 15 to 16 minutes after injection of 99mTc-GSA; 99mTc-GSA: technetium-99m-galactosyl serum albumin; MELD: model for end-stage liver disease