Comparative evaluation of the health utilities index mark 3 and the short form 6D: evidence from an individual participant data meta-analysis of very preterm and very low birthweight adults. - Bolbocean C; Anderson PJ; Bartmann P; Cheong JLY; Doyle LW; Wolke D; Petrou S (Quality of life research : an international journal of quality of life aspects of treatment, care and rehabilitation, 2023)