Nesbitt, Robin C.
Lohela, Terhi J.
Soremekun, Seyi
Vesel, Linda
Manu, Alexander
Okyere, Eunice
Grundy, Chris
Amenga-Etego, Seeba
Owusu-Agyei, Seth
Kirkwood, Betty R.
Gabrysch, Sabine
Article History
Received: 15 April 2016
Accepted: 22 June 2016
First Online: 10 August 2016
Competing interests
: The authors declare no competing financial interests.