I was a student, too. A former lab mate Prof. Jang, Dong Pyo (Grad. School of BSE), and my advisors, Profs. Kim, In Young, and Kim, Sun Il (Department of Biomedical Engineering). one of my advisors Prof. Lee, Jong-Min (Department of Electric Bio-Engineering), and a former lab mate Dr. Yang, Jin Ju (Department of Ophthalmology).