Authors: Olalekan A Uthman; Sulaimon T Adedokun; Tawa Olukade; Samuel Watson; Olatunji Adetokunboh; Adeyinka Adeniran; Solomon A Oyetoyan; Saheed Gidado; Stephen Lawoko; Charles S Wiysonge Journal: Hum Vaccin Immunother Date: 2017-06-30 Impact factor: 3.452