7.1.2 Selection of subjects We will invite about 6 quitters (without relapsing for at least one month) and 6 relapsers (smoke 5 cigarettes for 3 days after quitting) from the ICSCs by (i) gender (M, F) and (ii) age group (18-39, 40-59, 60+) to comment on the relevance, appropriateness, potential effectiveness and acceptance level of the intervention package.