Klar, Joakim http://orcid.org/0000-0003-4185-7409
Ali, Zafar
Farooq, Muhammad
Khan, Kamal
Wikström, Johan
Iqbal, Maria
Zulfiqar, Shumaila
Faryal, Sanam
Baig, Shahid Mahmood
Dahl, Niklas
Article History
Received: 31 August 2016
Revised: 7 March 2017
Accepted: 14 March 2017
First Online: 10 May 2017
Competing interests
: The authors declare no conflict of interest.