Study Design
The patients who admitted to smoking cessation outpatient clinics of
Izmir Metropolitan Municipality Eşrefpaşa Hospital and Health University
Okmeydanı Training and Research Hospital were included in study between
January 2018 and March 2020, prospectively.
The study was approved by the local ethics committee with the number of
2011-KAEK-42 2018703-01 and all patients participating in the study
filled the informed consent form.