Gonzalez-Martinez, Alejandro
Sihvonen, Maija
Muñoz-Palazon, Barbara
Rodriguez-Sanchez, Alejandro
Mikola, Anna
Vahala, Riku
Article History
Received: 28 November 2017
Accepted: 21 January 2018
First Online: 2 February 2018
Competing Interests
: The authors declare that they have no competing interests.