Authors' response (December 7, 2017) to the letter to the Editor concerning the paper "Trends in smoking among secondary school and high school students in Poland, 2009 and 2011"

Affiliations

• ¹ Poznan University of Medical Sciences, Poznań, Poland (Department of Physiology). paulinawojtyla@gmail.com.
• ² Poznan University of Medical Sciences, Poznań, Poland (Chair of Social Medicine, Department of Epidemiology).
• ³ Pope John Paul II State School of Higher Education in Biała Podlaska, Biała Podlaska, Poland (Department of Public Health).
• ⁴ Centre of Postgraduate Medical Education, Warszawa, Poland (I Department of Obstetrics and Gynecology).
• ⁵ Institute of Psychiatry and Neurology in Warsaw, Warszawa, Poland (III Psychiatric Clinic).
• ⁶ Poznan University of Medical Sciences, Poznań, Poland (Chair and Department of Facility Management Organizations in Health Care).
• ⁷ State Higher Vocational School in Kalisz, Kalisz, Poland (Faculty of Medicine).
• ⁸ Poznan University of Medical Sciences, Poznań, Poland (Chair of Social Medicine, Department of Hygiene).
• ⁹ Poznan University of Medical Sciences, Poznań, Poland (Department of Mother and Child Health).