1. a Department of Emergency , Cardiovascular Institute & FuWai Hospital, Chinese Academy of Medical Sciences, Peking Union Medical College , Beijing, P. R. China
2. b Accident & Emergency Medicine Academic Unit, Prince of Wales Hospital , The Chinese University of Hong Kong , Hong Kong
3. c R&C Biogenius Limited , Hong Kong
4. d Department of Molecular Genetics , Cardiovascular Research Institute Maastricht, Maastricht University , Maastricht, The Netherlands
5. e Department of Chemistry , The Hong Kong University of Science and Technology , Hong Kong