Recommended measurement protocols for sickle cell disease in the PhenX toolkit: psychosocial factors and social determinants of health. - Crosby LE; Williford DN; King AA; Porter JS; Badawy SM; Bulgin D; Hardy SJ; Arnold SD; Treadwell M; Huggins W; Ives C; Sullivan M; et al. (Journal of sickle cell disease, 2025)