1,357
Participants
Start Date
May 31, 2013
Primary Completion Date
March 31, 2015
Study Completion Date
March 31, 2015
Tsan Yuk Hospital RAMP Clinic, Hong Kong
Ap Lei Chau General Out-patient Clinic, Hong Kong
Lek Yuen General Out-patient Clinic, Hong Kong
Chinese University of Hong Kong
OTHER
The University of Hong Kong
OTHER