| Qualitative Health Communication (journal) | 2020-current | Advisory Board member | | |
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| Qualitative Sociology | 1/2014 | manuscript reviewer | | |
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| Quality Assurance Committee of the Hong Kong College of Obstetricians and Gynaecologists | 01/2007-12/2009 | Chairman | | | 01/1998-12/2006 | Member | | |
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| Quality Assurance Division, Education and Manpower Bureau | 2006-2009 | Independent Reviewer of the External School Review | | |
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| Quality Assurance Subcommittee, COC (Orthopaedics and Traumatology), Hospital Authority | 01/2004 - 12/2005 | Committee Member | | |
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| Quality Assurance Subcommittee, DR, QMH | 1996 - present | Member | | Dr Ooi Ooi Clara Gaik Cheng |
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| Quality Building Award 2008 | |
| Quality Education Fund, Assessment and Monitoring Sub-committee | 01/2021-01/2025 | Chairperson | | Dr Leung Leung Kin Yi |
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| Quality Education Fund, Steering Committee | 01/2021-01/2025 | Committee Member | | Dr Leung Leung Kin Yi |
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| Quality Migrants and Mainland Residents Section, Immigration Department, HKSAR | |
| Quality Research in Radiation Oncology (QRRO) of RTOG/ASTRO, Lung Committee | |
| Quantitative History Webinar Series, HKU | |
| Quantity Surveying and Construction Faculty Board, RICS | 2001 - 8 | board member and Asia representative | | |
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| Quaternary Research Association (UK) | |
| Queen Mary Hospital | 1990 - Present | Key pathologist and pathologist-in-charge, Pioneer liver transplantation team | | | 1993-1998 | Member, Coordinating Committee on Quality Management | | | 1994-1998 | Member, Committee on Research, QMH Cancer Centre | | | | Honarary staff | | Dr Cheung Cheung Ting Kin | 12/2020 - 09/2024 | Honorary Consultant in the Department of Accident & Emergency | | |
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| Queen Mary Hospital and Prince Philip Dental Hospital | |
| Queen Mary Hospital Breastfeeding Promotion Committee | |
| Queen Mary Hospital Doctor Association | 1998-1999 | Executive Committee Member | | | 1997-1998 | Treasurer | | | 1992-1993 | Chairman | | | 1991-1992 | Social Subcommittee Chairman | | |
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| Queen Mary Hospital Institutional Review Board | |
| Queen Mary Hospital Newsletter | 1998-present | Editor | | | 1998-2006 | Editor | | |
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