[1] Ipprokrat Gen, Athens, M5T 2S8, Greece
[2] Metropolitan Hosp, Athens 70428, Greece
[3] Georgios Papanikolaou Hosp, Thessaloniki, Greece
[4] Toronto Western Hosp, Toronto, ON, Canada
[5] Natl Cheng Kung Univ Hosp, Dept Internal Med, Tainan 117548, Taiwan
[6] San Giovanni Battista, Azienda Osped, Turin, 94404, Italy
[7] Hop Beaujon, Clichy, France
[8] Natl Univ Singapore, Singapore, Singapore
[9] Gilead Sci Inc, Foster City, CA USA