I. Glenn Cohen: To Uncle E and Uncle J, characters richer than any novelist could sketch and gone before their time.
Julia Adler-Milstein: To Daniel Yang and the team at the Gordon and Betty Moore Foundation, who are dedicated to fostering the achievement of diagnostic excellence; and to my family, who support my work in this and all areas of health system transformation.
Daniel B. Kramer: To Andrew and Emily, who always ask why.
Carmel Shachar: To IGC and the rest of the PFC team, past and present, for being a wonderful home for the last five years.