Affiliation: | 1. Assiut University Hospital, Egypt;2. Guy''s and St Thomas'' Hospital, United Kingdom;3. Alexandria University Hospital, Egypt;1. Department of Plastic and Reconstructive Surgery, Keimyung University School of Medicine, Daegu, Republic of Korea;2. Department of Plastic and Reconstructive Surgery, Samsung Changwon Hospital, Sungkyunkwan University School of Medicine, Changwon, Republic of Korea;3. Division of Epidemic Intelligence Service, Korea Centers for Disease Control and Prevention, Osong, Republic of Korea;4. Department of Internal Medicine, Keimyung University Dongsan Medical Center, Daegu, Republic of Korea;5. Department of Internal Medicine, School of Medicine, Yeungnam University, Daegu, Republic of Korea;6. Department of Orthodontics, School of Dentistry, Dental Research Institute, Seoul National University, Seoul, Republic of Korea;7. Department of Plastic and Reconstructive Surgery, Seoul National University College of Medicine, Seoul, Republic of Korea |