[1] Univ Michigan Hlth Syst, Ann Arbor, MI USA
[2] Med Procare PLLC, Flushing, NY USA
[3] Ronald Reagan UCLA Med Ctr, Los Angeles, CA USA
[4] San Jose Gastroenterol, San Jose, CA USA
[5] Kaiser Permanente, San Francisco, CA USA
[6] Globeimmune, Louisville, CO USA
[7] Gilead Sci Inc, Foster City, CA 94404 USA
[8] Univ Parma, I-43100 Parma, Italy
[9] Tufts Med Ctr, Boston, MA USA
[10] Henry Ford Hosp, Detroit, MI 48202 USA
[11] Auckland Gen Hosp, Auckland, New Zealand