[1] Royal Brisbane Hosp, Dept Clin Res, Brisbane, Qld 4029, Australia
[2] Songklanakarin Hosp, Dept Med, Songkhla, Thailand
[3] Chulalongkorn Hosp, Dept Med, Bangkok, Thailand
[4] Siriraj Hosp, Dept Med, Bangkok, Thailand
[5] Pramongkutklao Hosp, Dept Med, Bangkok, Thailand
[6] Vet Gen Hosp, Taipei, Taiwan
[7] Tri Serv Gen Hosp, Taipei, Taiwan
[8] Kaohsiung Univ Hosp, Kaohsiung, Taiwan
[9] Hoffmann La Roche Ag, Clin Dev, CH-4002 Basel, Switzerland
[10] Roche Prod Ltd, Clin Dev, Welwyn Garden City AL7 3AY, Herts, England