1. Department of Ophthalmology and Visual Science, Tokyo Medical and Dental University, Tokyo, Japan
2. The Affiliated Hospital of Inner Mongolia Medical University, Hohhot, Inner Mongolia, China
3. Eye Institute of Shandong University of Traditional Chinese Medicine, Jinan, Shandong, China
4. Department of Ophthalmology, Medical Faculty Mannheim of the Ruprecht-Karls-University of Heidelberg, Mannheim, Germany
5. Department of Ophthalmology, Friedrich-Alexander-University Erlangen-Nürnberg, Germany