From the ∗Department of Family Medicine, Cathay General Hospital, Taipei, Taiwan

†Department of Laboratory Medicine and Pathology, Royal Alexandra Hospital

‡Department of Laboratory Medicine and Pathology, University of Alberta, Edmonton, Alberta, Canada.

Reprints: Cheng-Han Lee, MD, PhD, FRCPC, Department of Laboratory Medicine and Pathology, University of Alberta, 5-142E, Katz Bldg, 114th St and 87th Ave, Edmonton, Alberta, Canada T6G 2E1. E-mail: [email protected].

The authors have no funding or conflicts to declare.