1881652 EQ-5D-VAS EQ-5D Visual Analog Scale 5 1881651 EQ-5D-VAS European Quality of Life 5 Dimensions Visual Analogue Scale 2 1881649 EQ-5D-VAS Euro Quol-5D-Visual Analogue Scale 1 1881650 EQ-5D-VAS EuroQol 5 dimensions visual analogue scale 1