Waller, Katja
Vähä-Ypyä, Henri
Törmäkangas, Timo
Hautasaari, Pekka
Lindgren, Noora
Iso-Markku, Paula
Heikkilä, Kauko
Rinne, Juha
Kaprio, Jaakko http://orcid.org/0000-0002-3716-2455
Sievänen, Harri
Kujala, Urho M. http://orcid.org/0000-0002-9262-1992
Article History
Received: 15 January 2018
Accepted: 7 June 2018
First Online: 20 June 2018
Competing Interests
: Dr Kaprio consulted for Pfizer Inc on nicotine dependence in 2014–2015. Other authors declare that they have no competing interests.