[1] Chung Hwa Univ Med Technol, Dept Hlth Care Adm, Tainan 717, Taiwan
[2] Chung Hwa Univ Med Technol, Dept Optometry, Chi Mei Med Ctr, Dept Diagnost Radiol, Tainan 717, Taiwan
[3] Kaohsiung Vet Gen Hosp, Tainan Branch, Dept Internal Sect Endocrinol & Metab, Kaohsiung, Taiwan
[4] Chi Mei Med Ctr, Dept Med Imaging, Tainan, Taiwan