Toggle navigation Load unfinished survey You have completed 0% of this survey 0% Caution: JavaScript execution is disabled in your browser or for this website. You may not be able to answer all questions in this survey. Please, verify your browser parameters. default User Research Questionnaire Dear Madam / Sir: Hello, thank you for filling this questionnaire in your busy schedule! The purpose of the questionnaire is mainly to understand your preference for e-cigarette. Your answers will help to improve our products. Thank you for your participation! There are 15 questions in this survey. Next Load unfinished survey ×