Alves, Ricardo N.
Sundell, Kristina S.
Anjos, Liliana
Sundh, Henrik
Harboe, Torstein
Norberg, Birgitta
Power, Deborah M.
Article History
Received: 30 June 2017
Accepted: 15 January 2018
First Online: 20 February 2018
Compliance with ethical standards
:
: The authors declare that they have no competing interests.