1. Department of Ophthalmology, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea
2. Department of Statistics and Actuarial Science, Soongsil University, Seoul, Republic of Korea
3. Department of Biostatistics College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
4. Department of Ophthalmology, Inje University Haundae Paik Hospital, Busan, Republic of Korea
5. Biomedical Institute for Convergence (BICS), Sungkyunkwan University, Suwon, Republic of Korea