[1] CHU Rangueil, Dept Nephrol Dialysis & Organ Transplantat, F-31054 Toulouse, France
[2] Ctr Physiopathol Toulouse Purpan, Toulouse, France
[3] Univ Toulouse 3, F-31062 Toulouse, France
[4] Royal Cornwall Hosp Trust, Cornwall Gastrointestinal Unit, Truro, England
[5] CHU Purpan, Dept Virol, Toulouse, France
[6] Xiamen Univ, Sch Publ Hlth, Natl Inst Diagnost & Vaccine Dev Infect Dis, Xiamen, Peoples R China
[7] Hlth Protect Agcy, Microbiol Serv Colindale, Virus Reference Dept, London, England
[8] Univ Exeter, Peninsula Coll Med & Dent, European Ctr Environm & Human Hlth, Truro, England
[9] Univ Plymouth, Peninsula Coll Med & Dent, European Ctr Environm & Human Hlth, Truro, England