JSP is a member of the PhenX Toolkit Sickle Cell Disease Psychosocial and Social Determinants of Health Working Group and reports consulting fees from Forma Therapeutics. AMH reports a grant from the National Heart, Lung, and Blood Institute (NHLBI), and consulting fees from Global Blood Therapeutics. LEC is chair of the PhenX Toolkit Sickle Cell Disease Psychosocial and Social Determinants of Health Working Group. JSH reports grants from NHLBI, the American Society of Hematology (ASH) Foundation, Centers for Disease Control and Prevention, and Health Resources and Services Administration; consulting fees from Global Blood Therapeutics; and honoraria from Montefiori Medical Center, UpToDate, ASH, Cook Children's Medical Center, International Association of Sickle Cell Nurses and Professional Associates, University of Massachusetts Medical School, and University of Utah; and is a board member of the Sickle Cell Foundation of Maryland.