How the work was carried out Fidele Ntie-Kang, University of Douala 29 April 2013 It took us approximately 1 year to collect all data, generate 3D models, carry out analysis and write the paper. Competing interests None declared
How the work was carried out
29 April 2013
It took us approximately 1 year to collect all data, generate 3D models, carry out analysis and write the paper.
Competing interests
None declared