Morseth, Marianne S.
Strand, Tor A.
Torheim, Liv Elin
Chandyo, Ram K.
Ulak, Manjeswori
Shrestha, Sanjaya K.
Shrestha, Binob
Henjum, Sigrun
Article History
Received: 28 February 2018
Revised: 4 June 2018
Accepted: 23 June 2018
First Online: 20 July 2018
Competing interests
: The authors declare no competing interests.