Clinical Data: Sources and Types, Regulatory Constraints, Applications. Issue 4 (9th May 2019) - Ahalt, Stanley C.; Chute, Christopher G.; Fecho, Karamarie; Glusman, Gustavo; Hadlock, Jennifer; Taylor, Casey Overby; Pfaff, Emily R.; Robinson, Peter N.; Solbrig, Harold; Ta, Casey; Tatonetti, Nicholas; Weng, Chunhua; et al.