Table 1

Collaborating sites by geographical location in the USA

NortheastSouthMidwestWest
University of PennsylvaniaVirginia Commonwealth UniversityMedical College of WisconsinUniversity of Utah*
New York UniversityUniversity of FloridaUniversity of Illinois ChicagoUniversity of California San Diego
Yale University*University of TexasUniversity of ChicagoNational Jewish Health
Boston Medical Center*University of MiamiCleveland Clinic
Albany Medical CenterEast Carolina UniversityUniversity of Iowa*
Temple University*University of South Florida
  • *Institutional review board approval and data use agreements are in place; pending enrolment.