| Institution: | 1. Department of Otolaryngology-HNS, University of Pittsburgh School of Medicine, 200 Lothrop Street, Pittsburgh, PA 15213, USA;2. Department of Otolaryngology-HNS, McGill University School of Medicine, 1001 Decarie Boulevard, Montreal, Québec H4A 3J1, Canada;1. Department of Mathematics and Statistics, Sultan Qaboos University, P. O. Box 36, Al-Khod 123, Muscat, Oman;2. Department of Physics, Chemistry and Mathematics, Alabama A&M University, Normal, AL 35762, USA;3. Department of Mathematics and Statistics, College of Science, Al-Imam Mohammad Ibn Saud Islamic University, Riyadh 13318, Saudi Arabia;4. Department of Mathematics and Statistics, Tshwane University of Technology, Pretoria 0008, South Africa;5. School of Electronics and Information Engineering, Wuhan Donghu University, Wuhan 430212, People''s Republic of China;1. College of Mathematics and Software Science, Sichuan Normal University, Chengdu, 610066, China;2. College of Mathematics and Information, China west Normal University, Nanchong, 637002, China;1. Department of Otolaryngology, Oregon Health & Science University, 3181 SW Sam Jackson Park Road, Portland, OR 97239, USA;2. Department of Otolaryngology, National University of Singapore, 1E Kent Ridge Road, NUHS Tower Block, Level 11, Singapore 119228;3. Department of Otolaryngology, Ipoh Specialist Hospital, 30, Jalan Raja Dihilir, Ipoh, Perak 30350, Malaysia |
