Esen Nsikan U., Ituen Eno E., Ekeso Daniel S. and Etuk Sunday E.
Filipa Osório1,2, Margarida Cal2*, Filipa Sousa3, Madalena Tavares4, João Alves1, Adalgisa Guerra1
Daniel Alayu Shewaye1 , Miftah Abdella Beshir2 , Sara Beyene Mengesha2*
Alberto de Bellis