Thymosin-α1 and famciclovir combination therapy activates T cell response in patients with chronic HBV infection in immune tolerant phase: George K Lau, Amin Nanji, Queen Mary Hospital, Hong Kong Hong Kong; Hou Jinlin, Nanfang Hospital, Guang-zhou People'S Rep Of China; Daniel Y Fong, Clinical Trial Center, Hong Kong Hong Kong; Siu-Tsan Yuen, Queen Mary Hospital, Hong Kong Hong Kong; Sik-To Lai, Princess Margaret Hospital, Hong Kong Hong Kong; Ying-Kit Leung, Siu-Kam Leung, Lam Shiu-Kum, Queen Mary Hospital, Hong Kong Hong Kong