Department of Ophthalmology (H-CK), Koo Foundation Sun Yat-Sen Cancer Center, Taipei, Taiwan; School of medicine (H-CK, C-CT), National Yang-Ming University, Taipei, Taiwan; and Department of Ophthalmology (C-CT), Taipei Veterans General Hospital, Taipei, Taiwan.
None of the authors have any financial interest in the subject matter or materials discussed in this article.
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Address correspondence to Chieh-Chih Tsai, MD, Department of Ophthalmology, Taipei Veterans General Hospital, No.201, Sec.2, Shih-Pai Road, Taipei, Taiwan; E-mail: email@example.com.