1. Center of Excellence in Glaucoma, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
2. Department of Electrical Engineering, Faculty of Engineering, Chulalongkorn University, Bangkok, Thailand
3. Department of Computer Science, Faculty of Science, Srinakarinwirot University, Bangkok, Thailand
4. Department of Ophthalmology, Faculty of Medicine, Vajira Hospital, Navamindradhiraj University, Bangkok, Thailand