1 Cochrane Taiwan, Taipei Medical University, Taipei, Taiwan; Department of Public Health, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan; Division of Plastic Surgery, Department of Surgery, Wan Fang Hospital, Taipei Medical University, Taipei, Taiwan. Electronic address: clifchen@tmu.edu.tw.
2 Cochrane Taiwan, Taipei Medical University, Taipei, Taiwan; Center for Evidence-Based Health Care, Shuang Ho Hospital, Taipei Medical University, New Taipei City, Taiwan; Department of Surgery, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan.
3 Cochrane Taiwan, Taipei Medical University, Taipei, Taiwan.