[1] Chang Gung Mem Hosp, Linkou Med Ctr, Dept Educ, Taoyuan 33305, Taiwan
[2] Natl Yang Ming Chiao Tung Univ, Coll Med, Taipei 11217, Taiwan
[3] Chang Gung Mem Hosp, Linkou Med Ctr, Dept Cardiol, Taoyuan 33305, Taiwan
[4] Chang Gung Univ, Coll Med, Taoyuan 33302, Taiwan
[5] Chang Gung Univ, Grad Inst Clin Med Sci, Coll Med, Taoyuan 33302, Taiwan
[6] Natl Taiwan Univ Hosp, Yunlin 640203, Taiwan
[7] Columbia Univ, Edward S Harkness Eye Inst, Irving Med Ctr, Dept Ophthalmol, New York, NY 10032 USA
[8] Natl Taiwan Univ, Dept Med, Taipei 10617, Taiwan
[9] Univ Miami, Coll Arts & Sci, Coral Gables, FL 33146 USA
[10] Columbia Univ, Vagelos Coll Phys & Surg, New York, NY 10032 USA