| LA LETTRE SEPHARAD | January 1997 to present | Member/Book Reviewer | | Dr Levi Levi Joseph Abraham |
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| La Société Internationale de Chirurgie Orthopédique et de Traumatologie (SICOT) | 09/2011-now | Associate Member | | |
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| Laban/Bartenieff Institute of Movement Studies | 11/2008-present | Licentiate Member | | |
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| Laboratory Research Seminars. | 2008-present | Organizer/person-in-charge of | | |
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| Labour and Welfare Bureau, HKSAR | 11/2013 - 11/2019 | Committee Member, Committee on Trust Fund for Severe Acute Respiratory Syndrome (SARS) | | |
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| Laennec Society on Liver Pathology (an International liver pathology group with members from >10 countries) | |
| Lancet Commission on Diagnostics | |
| Lancet Psychiatry Commission on Psychoses in Global Context | 2020-present | Editorial Board Member | | |
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| Land | 04/2021-present | Editorial Board Member | | |
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| Land (Compulsory Sale for Redevelopment) Ordinance Pilot Mediation Scheme, Joint Mediation Helpline Office | |
| Language and Communication (Journal) | 04/2010 | Member of the editorial board | | |
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| Language and Dialogue (Journal) | 01/2017 | member of the editorial board | | |
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| Language and Education | |
| Language Ecology | |
| Language Learning | |
| Language Learning and Technology | 2019- present | editorial reviewer | | Ms Blasco Garcia Blasco Garcia Rocio | 2019- present | editorial reviewer | | Ms Blasco Garcia Blasco Garcia Rocio |
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| Language Policy | |
| Language Policy Research Network | 01/2011 - present | Editorial Board | | |
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| Language Problems and Language Planning | 01/2001 - present | External Reviewer | | | 2012-13 | External Reviewer | | |
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| Language Sciences | 2013-present | Associate Editor | | |
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