1. Department of Central Laboratory, The First Affiliated Hospital, Xi’an Medical University, Xi’an, Shaanxi, China
2. Department of Ophthalmology, The First Affiliated Hospital, Xi’an Medical University, Xi’an, Shaanxi, PR China
3. Department of Ophthalmology, Xi’an Ninth Hospital, Medical College of Xi’an Jiaotong University, Xi’an, Shanxi, China
4. Department of pharmacy, The First Affiliated Hospital, Xi’an Medical University, Xi’an, Shaanxi, PR China
5. Clinical Medicine (Four-year program) of Grade 2014, Xi’an Medical University, Xi’an, Shaanxi, PR China