[1] Univ Hong Kong, State Key Lab Pharmaceut Biotechnol, Pokfulam, Hong Kong 999077, Peoples R China
[2] Univ Hong Kong, Dept Med, Pokfulam, Hong Kong 999077, Peoples R China
[3] Univ Hong Kong, Dept Pharmacol & Pharm, Pokfulam, L8-39,Lab Block,21 Sassoon Rd, Hong Kong 999077, Peoples R China
[4] AK Biotechnol LLC, 430 Amador Ln, W Palm Beach, FL 33401 USA