[1] Chi Mei Med Ctr, Dept Pathol, Tainan, Taiwan
[2] Taipei Med Univ, Dept Pathol, Taipei, Taiwan
[3] Liouying Chi Mei Hosp, Dept Internal Med, Tainan, Taiwan
[4] Mayo Clin, Dept Pathol & Lab Med, Rochester, MN USA
[5] Univ Barcelona, Hosp Clin Barcelona, Pathol Lab, E-08007 Barcelona, Spain