NIH Department of Laboratory Medicine, Bethesda, Maryland, United States
VU Medical Center (VUmc), Amsterdam, Netherlands
Academic Medical Center, Amsterdam, Netherlands
St. Antonius Hospital, Nieuwegein, Netherlands
Mercer University Mercer Medicine, Macon, Georgia, United States
Saint Michael's Medical Center, Newark, New Jersey, United States
New Jersey Medical School, Newark, New Jersey, United States
Centrum fuer interdisziplinaere Medizin Muenster GmbH, Münster, Germany
Universitatsklinikum, Hamburg, Germany
Wilhelminenspital, Wien, Austria
Clinical Pharmacology of Miami, Miami, Florida, United States
Mayo Clinic Hospital, Phoenix, Arizona, United States
Southern California Liver Centers, Coronado, California, United States
University of California, San Diego (UCSD), San Diego, California, United States
University Hospitals Case Medical Center, Cleveland, Ohio, United States
Cleveland Clinic, Cleveland, Ohio, United States
Northwestern University, Chicago, Illinois, United States