A.S. Ali a, b, ⁎ 
a Department of Microbiology and Laboratory Sciences, SIMAD University, Mogadishu, Somalia
b Blood Bank Unit, Banadir Hospital, Mogadishu, Somalia
O.J. Okesanya c 
c Faculty of Medicine, Department of Public Health and Maritime Transport, University of Thessaly, Volos, Greece
M.M. Ahmed d 
d Faculty of Medicine and Health Sciences, SIMAD University, Mogadishu, Somalia
B. Garba e 
e Department of Public Health, Faculty of Medicine and Health Sciences, SIMAD University, Mogadishu, Somalia
N.I. Dirie f 
f Department of Urology, Dr. Sumait Hospital, Faculty of Medicine and Health Sciences, SIMAD University, Mogadishu, Somalia