Universitätsklinikum Innsbruck Universitätsklinik für Dermatologie und Venerologie, Innsbruck, Austria
University of California, Davis, Sacramento, California, United States
Johns Hopkins Rockland Physicians Practice and Research Group at Greenspring Station, Lutherville, Maryland, United States
Stanford Cancer Center, Palo Alto, California, United States
Mount Sinai School of Medicine, New York, New York, United States
Atlanta ID Group, Atlanta, Georgia, United States
Be Well Medical Center, P.C., Berkley, Michigan, United States
Infectious Disease Specialists of Atlanta, Decatur, Georgia, United States
St. Jude Medical Center, Fullerton, California, United States
University of Medicine and Dentistry of NJ, New Brunswick, New Jersey, United States
University of Wisconsin, Madison, Wisconsin, United States
University of Chicago, Chicago, Illinois, United States
Tufts Medical Center, Boston, Massachusetts, United States
Private Practice, Philadelphia, Pennsylvania, United States
Georgetown University Medical Center, Washington, District of Columbia, United States
Henry Ford Health System-Columbus center, Novi, Michigan, United States
Northwestern Memorial Hospital, Chicago, Illinois, United States
Medical Associates Research Group, San Diego, California, United States
Memorial Sloan-Kettering Cancer Center, New York, New York, United States
Auckland Clinical Studies Ltd., Auckland, New Zealand
Christchurch Clinical Studies Trust, Christchurch, New Zealand
Gilead Sciences, Cambridge, United Kingdom