ISRN Allergy 2013 29;2013:561831. Epub 2013 Aug 29.
Division of Respiratory Medicine, Departments of Medicine, The University of Hong Kong, Hong Kong ; Pharmacology & Pharmacy, The University of Hong Kong, Hong Kong ; Research Centre for Heart, Brain, Hormone and Healthy Aging, The University of Hong Kong, Hong Kong ; Room L8-40, Laboratory Block, LKS Faculty of Medicine Building, The University of Hong Kong, 21 Sassoon Road, Hong Kong.