1. Department of Ophthalmology, The Affiliated Hospital of Chengde Medical University, Chengde, Hebei, China (mainland)
2. Department of Minimally Invasive Spine Surgery, The Affiliated Hospital of Chengde Medical University, Chengde, Hebei, China (mainland)
3. The Institute of Orbital Disease, The Third Medical Center of Chinese PLA General Hospital, Beijing, China (mainland)