| the EU-funded BioFresh project (Biodiversity of Freshwater Ecosystems: Status, Trends, Pressures and Conservation Priorities) | 02/2010 - present | Member, Advisory Board | | |
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| The European Academy of Facial Plastic Surgery (EAFPS) | |
| The European Association for Cancer Research | 07/2011-01/2020 | Full Member | | |
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| the European Association for Cancer Research | 05/2020-05/2021 | Member | | Dr Zhang Zhang Xin |
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| The European Association for Research on Learning and Instruction (EARLI) | |
| The European Association for the Study of the Liver (EASL) | 26/01/2024 - Present | Member | | |
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| The European Confederation of Medical Mycology | |
| The European Federation of Financial Analyst Societies | |
| The European Society for Translation Studies (EST) | 08/2022-present | Member | | Dr Wong Wong Chun Yin |
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| The Expert Panel on Dentine Hypersensitivity | |
| The Face of English conference | 11/2014-02/2015 | Abstract reviewer | | |
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| The Faculty of Dental Surgery of the Royal College of Physicians and Surgeons of Glasgow | 1/4/2018-present | Member MFDS RCPS (Glasg) | | |
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| The Faculty of General Dental Practice, Royal College of Surgeons (UK) | 18/4/2018-Present | Member MFGDP (UK) | | |
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| The FDI/ISO Joint Session on ‘ISO International Standards for Product Safety and Quality in Dentistry’, 103rd FDI Annual World Dental Congress, Bangkok. Thailand | |
| The Federation for Informatics Professionals in Health and Social Care | |
| The Federation of HK, KLN and NT Public Housing Estates Resident and ShopownerOrganizations | |
| The Federation of Hong Kong Writers | 08/2022- | Associate-head(academic) | | Dr To To Yeuk Hung |
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| The Federation of Medical Societies of Hong Kong | 01/2001-12/2001 | executive committee memebr | | | 2004 - 2008 | Director | | | 7/200 - 2013 | Executive Committee Member | | | 2015-present | Member | | | 2014-2015 | Hon Secretary | | | 2021-2022 | Hon Secretary | | |
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| The Federation of Medical Societies of Hong Kong | 01/1997 - 01/1999 | Chairman, Education Committee | | |
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| The Federation of Medical Societies of Hong Kong | 01/1995 - 01/2001 | Council Member | | |
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