1. The Ohio State University College of Medicine, Columbus, Ohio (P.D.)
2. University of North Carolina at Chapel Hill, Chapel Hill, North Carolina (J.L.)
3. University of Alabama at Birmingham, Birmingham, Alabama (J.K.)
4. Global Blood Therapeutics, South San Francisco, California (K.B.)
5. UConn Health, Farmington, Connecticut (B.A.)
6. Johns Hopkins University School of Medicine, Baltimore, Maryland (S.L.).