The feasibility and efficacy of the group-based therapy for smoking cessation in Klang Valley, Malaysia.

"CONFLICTS OF INTEREST The authors have each completed and submitted an ICMJE form for disclosure of potential conflicts of interest. The authors declare that they have no competing interests, financial or otherwise, related to the current work. P.M. Rashidi Mohamed reports that since the initial planning of the work, this research was funded through a Universiti Malaya Grand Challenge grants GC004-15HTM and GC004C-15HTM and that in the past 36 months there was the patent planned, issued or pending 'Group therapy for smoking cessation module'. F. Mohd Hairi reports that since the initial planning of the work this study was supported by the Universiti Malaya Grand Challenge grant GC004C-15HTM. C. Bullen reports that in the past 36 months received consulting fees from Kenvue Asia Ltd, he received honorarium for keynote lecture at APSAD annual scientific meeting Sept. 2023, support for attending meetings and/or travel and an unpaid role in other board, society, committee or advocacy groups. A.S. Amer Nordin reports that since the initial planning of the work this study was supported by the Universiti Malaya Grand Challenge grant GC004C-15HTM and that in the past 36 months received payment or honoraria for lectures, presentations, speakers bureaus, manuscript writing or educational events from Johnson and Johnson Malaysia (he received an unconditional educational grant and have also spoken for J&J for smoking cessation product - Nicorette), and that he participated on a Data Safety Monitoring Board or Advisory Board as one of the advisors of the medical board of Bedfont Scientific Ltd."

"FUNDING This research was funded through a Universiti Malaya Grand Challenge grants GC004-15HTM and GC004C-15HTM."