Christina Chambers, PhD, MPHHBCD Core DirectorBioCharles A. Nelson III, PhDHBCD Core DirectorBio Contact Us Principal Investigators: Drs. Christina Chambers and Charles A. Nelson III Manager: Lillian Tureaud​ Email: hbcdstudy-hcac@ucsd.edu LocationsUniversity of California, San DiegoLa Jolla, California Boston Children’s HospitalBoston, Massachusetts