[1] Taipei Vet Gen Hosp, Dept Med, Div Allergy Immunol & Rheumatol, Taipei 112, Taiwan
[2] Taipei Vet Gen Hosp, Dept Chest Med, Taipei 112, Taiwan
[3] Taipei Vet Gen Hosp, Dept Pathol & Lab Med, Taipei 112, Taiwan
[4] Buddhisht Tzu Chi Gen Hosp, Sect Allergy Immunol & Rheumatol, Hualien, Taiwan