2.1  Data sources
The following data sources were searched on February 25, 2020 for eligible traditional medicine guidelines and searched up to March 6 to retrieve the updated version of the guidelines provided:• Guidelines International Network (G-I-N)8
• “Chinese guidelines on Novel Coronavirus” resources9 by Evidence Aid
• The official government websites of all 31 provinces in mainland China (including municipal and autonomous regions)
• The Centre for Health Protection of the Hong Kong Special Administrative Region10
• Association of Korean Medicine and Korean Association of Traditional Pulmonary Medicine
• Japanese Association for Infectious Diseases and Japanese Respiratory Society11
• Taiwan Centers for Disease Control12