* Corresponding author.
E-mail addresses: hedde211@student.liu.se (H. Detert),
sarhe388@student.liu.se (S. Hedlund), chris.anderson@regionostergotland.se
(C.D. Anderson), ylva.rodvall@ki.se (Y. Rodvall), karin.festin@liu.se (K. Festin),
David.Whiteman@qimrberghofer.edu.au (D.C. Whiteman),
magnus.falk@regionostergotland.se (M. Falk). 1 These authors contribute equally to the study.
http://dx.doi.org/10.1016/j.canep.2015.10.022
1877-7821/ã 2015 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).