1 Department of Otorhinolaryngology, Shuang Ho Hospital, Taipei Medical University, New Taipei City, Taiwan.
2 Division of Pediatric Surgery, Department of Surgery, Shuang Ho Hospital, New Taipei City, Taiwan; Department of Surgery, School of Medicine, Taipei Medical University, Taipei, Taiwan.
3 Department of Otorhinolaryngology, Shuang Ho Hospital, Taipei Medical University, New Taipei City, Taiwan; Department of Public Health, College of Medicine, Taipei Medical University, New Taipei City, Taiwan; Department of Otolaryngology, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan. Electronic address: 15677@s.tmu.edu.tw.