[1] Univ Hong Kong, Dept Pathol, Hong Kong, Peoples R China
[2] Univ Hong Kong, Sch Biomed Sci, Hong Kong, Peoples R China
[3] Univ Hong Kong, Dept Med, Hong Kong, Peoples R China
[4] Pamela Youde Nethersole Eastern Hosp, Dept Clin Oncol, Hong Kong, Peoples R China
[5] Univ British Columbia, St Pauls Hosp, Providence Hlth Care, Vancouver, BC, Canada
[6] Mayo Clin, Scottsdale, AZ USA
[7] Univ Hong Kong, Dept Clin Oncol, Hong Kong, Peoples R China