M Rich - a IDEXX Laboratories , Grange House, Wetherby , West Yorkshire , UK
Z A Memish - King Abdulaziz Medical City
C M Mak - c Division of Clinical Biochemistry , Prince of Wales Hospital , Hong Kong SAR , P.R. China
K F Ng - d Department of Chemical Pathology , Prince of Wales Hospital , Hong Kong SAR , P.R. China
R W C Pang - c Division of Clinical Biochemistry , Prince of Wales Hospital , Hong Kong SAR , P.R. China
S Tam - c Division of Clinical Biochemistry , Prince of Wales Hospital , Hong Kong SAR , P.R. China
F Q B Alenzi - King Faisal University