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In observance of the 2024 holiday season, Sage offices will be closed Monday December 23rd through Wednesday January 1st. Normal operations, including shipping for orders placed during the closure, will resume on Thursday January 2nd. For technical support during this time, please visit our technical support page for assistance options. 

We wish you a wonderful holiday season. Thank you. 

Maria Kwan Wa Leung

Dr. Maria Kwan Wa Leung completed her medical training at United Medical and Dental Schools of Guy’s and St Thomas’s hospitals (King’s University, UK, 1999) and joined Hospital Authority since 2000. She is a specialist in family medicine and is currently the consultant in Family Medicine of New Territories East Cluster (NTEC), Hospital Authority. She has helped with coordinating the Smoking Cessation Service in NTEC since 2010. She is also the vice-chair in the workgroup of Smoking Counseling and Cessation Program in Hospital Authority, helping with the planning of smoking cessation service and teaching of counselors in Hospital Authority.